Indie Alternatives

All categories › Developer Tools

Indie Developer Tools tools

184 developer tools products built by independent developers and small teams.

Looking to replace something? Firebase Auth · Postman · Clerk · Contentful · GitHub · Mixpanel · Docker · Firebase · Git GUI · GitHub Actions · GitHub Desktop · iTerm2

Aider

AI pair programming in your terminal

Aider is an open-source command-line tool that edits code in your Git repo using LLMs and commits the changes.

Free · Mac, Windows, Linux · Website ↗

Alacritty

Fast, minimal GPU-accelerated terminal

Alacritty is an OpenGL terminal emulator focused on performance and simplicity, configured with a TOML file.

Free · Mac, Windows, Linux · Website ↗

Amp

Agentic coding tool from Sourcegraph

Amp is an AI coding agent that runs in the terminal and editors to make multi-step code changes.

Free plan · Mac, Windows, Linux · Website ↗

Appwrite

Open-source backend for web, mobile and Flutter apps

Appwrite provides auth, databases, storage, functions, messaging and hosting through one API, available as a cloud service or self-hosted.

Free plan · Web, API, Self-hosted · Website ↗

Aptabase

Privacy-first, open-source analytics for mobile and desktop apps

Aptabase provides simple, privacy-friendly usage analytics SDKs for mobile, desktop and web apps including Swift, Flutter, React Native, Electron and Tauri.

Free plan · Web, API, Self-hosted · Website ↗

Argo CD

GitOps continuous delivery for Kubernetes

Argo CD continuously syncs Kubernetes clusters with application manifests stored in Git and shows drift in a web UI.

Free · Self-hosted, Web · Website ↗

Atuin

Sync and search your shell history

Atuin replaces shell history with a SQLite database and optional end-to-end encrypted sync across machines.

Free plan · Mac, Linux · Website ↗

Authelia

Open-source single sign-on and 2FA portal for your apps

Authelia adds single sign-on, two-factor authentication and access control in front of self-hosted web apps via your reverse proxy, and can act as an OpenID Connect provider.

Free · Self-hosted · Website ↗

Bannerbear

Generate images and videos via API

API for auto-generating images and videos from templates, e.g. social media graphics and OG images.

Paid · Web, API · Website ↗

Beeceptor

Hosted mock API server and HTTP request inspector

Beeceptor gives you an instant endpoint to mock API responses, inspect incoming requests and proxy traffic, without writing code.

Free plan · Web · Website ↗

Beekeeper Studio

Open-source SQL editor and database manager

Beekeeper Studio is a cross-platform SQL editor and database GUI for PostgreSQL, MySQL, SQLite, SQL Server and more, with a free community edition.

Free plan · Mac, Windows, Linux · Website ↗

Better Auth

Framework-agnostic authentication library for TypeScript

Better Auth is an open-source TypeScript auth library with email/password, social login, 2FA, organizations and a plugin system.

Free plan · API · Website ↗

Biome

Fast formatter and linter for web projects

Biome is a Rust toolchain that formats and lints JavaScript, TypeScript, JSON and CSS as one tool.

Free · Mac, Windows, Linux · Website ↗

Braintrust

Evals, logging and prompt playground for AI products

Braintrust helps teams evaluate AI models and prompts, log production traces, and iterate in a shared playground.

Free plan · Web, API · Website ↗

Bruno

Offline-first, git-friendly API client

Bruno is an open-source API client that stores collections as plain text files in your repo so they can be versioned with git.

Free plan · Mac, Windows, Linux · Website ↗

Buildkite

CI/CD with hosted control plane and your own build agents

Buildkite runs CI/CD pipelines on agents you host or Buildkite-hosted agents, aimed at large and fast-moving engineering teams.

Free plan · Web, Linux, Mac, Windows · Website ↗

BullMQ

Redis-based message queue and job scheduler for Node.js

BullMQ is an open-source library for background jobs and message queues in Node.js and Python, backed by Redis, with commercial Pro add-ons.

Free plan · Self-hosted · Website ↗

Bun

Fast JavaScript runtime, bundler, test runner and package manager

Bun is an all-in-one JavaScript and TypeScript toolkit designed as a fast drop-in replacement for Node.js and npm.

Free · Mac, Windows, Linux · Website ↗

Checkly

Synthetic monitoring with Playwright and API checks

Checkly runs Playwright browser checks and API checks from many locations, configured as code alongside your app.

Free plan · Web · Website ↗

CircleCI

Hosted continuous integration and delivery

CircleCI runs build, test and deploy pipelines defined in YAML across Linux, macOS, Windows and Arm machines.

Free plan · Web · Website ↗

Clerk

Drop-in authentication and user management for web apps

Clerk provides prebuilt sign-in components, user management, organizations and session handling for React, Next.js and other frameworks.

Free plan · Web, API · Website ↗

Cline

Open-source AI coding agent for your editor

Cline is an open-source autonomous coding agent for VS Code and other editors that plans, edits files and runs commands with your approval.

Free plan · Mac, Windows, Linux · Website ↗

Codeberg

Non-profit, community-run Git hosting

Codeberg is a free Git hosting service for open-source projects run by a German non-profit, powered by Forgejo.

Free · Web · Website ↗

Colima

Container runtimes on macOS and Linux with minimal setup

Colima runs Docker, containerd and Kubernetes in a lightweight Lima VM from the command line.

Free · Mac, Linux · Website ↗

Continue

Open-source AI code assistant and checks

Continue provides open-source AI coding assistance for VS Code and JetBrains and AI checks that run on pull requests.

Free plan · Mac, Windows, Linux · Website ↗

Convex

Reactive backend with a database, functions and sync in TypeScript

Convex is a backend platform where you write database queries and server functions in TypeScript and clients stay in sync automatically.

Free plan · Web, API, Self-hosted · Website ↗

Cursor

AI code editor built on VS Code

Cursor is an AI-powered code editor with codebase-aware chat, autocomplete and agents that edit across files.

Free plan · Mac, Windows, Linux · Website ↗

CyberChef

Web app for encoding, decoding and data analysis

CyberChef, from GCHQ, chains operations like Base64, hashing, encryption and parsing in the browser.

Free · Web · Website ↗

Dagger

Write CI/CD pipelines as code that run anywhere

Dagger lets you define build and test pipelines in code using containers, so they run the same locally and in any CI system.

Free plan · Linux, Mac, Windows · Website ↗

Dash

Offline API documentation browser and code snippet manager

Dash gives instant offline access to documentation sets for hundreds of languages and frameworks and stores reusable code snippets.

Free plan · Mac, iOS · Website ↗

Datasette

Open-source tool for exploring and publishing data

Datasette lets you explore, query and publish SQLite databases as interactive websites and JSON APIs, with a large plugin ecosystem.

Free · Self-hosted, Web · Website ↗

DbGate

Cross-platform database manager for SQL and NoSQL

DbGate is an open-source database client for MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, Redis and others, available as a desktop or web app.

Free plan · Mac, Windows, Linux, Web, Self-hosted · Website ↗

Decap CMS

Open-source Git-based CMS for static sites

Decap CMS, formerly Netlify CMS, is a React app that edits content stored in Git for static site generators.

Free · Web · Website ↗

Deno

Secure JavaScript and TypeScript runtime

Deno is a modern runtime for JavaScript and TypeScript with built-in tooling, npm compatibility and permission-based security.

Free · Mac, Windows, Linux · Website ↗

Depot

Faster Docker builds and GitHub Actions runners

Depot provides remote Docker image builds with persistent caching and faster hosted runners for GitHub Actions.

Paid · Web, API · Website ↗

Devbox

Isolated dev environments powered by Nix

Devbox creates reproducible per-project shells with packages from Nix without needing to learn Nix.

Free · Mac, Linux · Website ↗

DevUtils

Offline toolbox of developer utilities for Mac

DevUtils bundles offline tools like JSON formatter, JWT debugger, Base64 encoder, regex tester, UUID generator and timestamp converter in one Mac app.

Paid · Mac · Website ↗

Dify

Open-source platform for building LLM apps and agents

Dify provides a visual workflow builder, RAG pipelines, agent tools and model management for building AI applications.

Free plan · Web, Self-hosted · Website ↗

Directus

Instant APIs and admin app for any SQL database

Directus wraps a SQL database with REST and GraphQL APIs and a no-code data studio, used as a headless CMS or backend.

Free plan · Web, Self-hosted · Website ↗

Docmost

Open-source collaborative wiki and documentation software

Docmost is an open-source, self-hostable wiki for team documentation and knowledge bases, with real-time collaborative editing.

Free plan · Self-hosted, Web · Website ↗

Docusaurus

Build documentation websites with React

Docusaurus is an open-source static site generator from Meta for docs sites with versioning, search and blogs.

Free · Web · Website ↗

Doppler

Centralized secrets and environment variable manager

Doppler stores secrets per project and environment and syncs them to cloud providers, CI and local development.

Free plan · Web, API · Website ↗

Drizzle ORM

Lightweight TypeScript ORM with SQL-like syntax

Drizzle ORM is a headless TypeScript ORM for Postgres, MySQL and SQLite with type-safe queries and a migration toolkit.

Free · API · Website ↗

Flagsmith

Open-source feature flags and remote config

Flagsmith manages feature flags, remote configuration and segments, available as SaaS, private cloud or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

Flipt

Git-native feature flag management

Flipt is an open-source feature flag server that can store flags in Git and integrates with OpenFeature.

Free plan · Self-hosted, Web · Website ↗

Flowise

Drag-and-drop builder for AI agents and LLM flows

Flowise is an open-source low-code tool for building LLM workflows, chatbots and agents visually.

Free plan · Web, Self-hosted · Website ↗

Flux

GitOps toolkit for keeping Kubernetes in sync with Git

Flux is a CNCF project that automates Kubernetes deployments by reconciling cluster state with Git repositories and Helm charts.

Free · Self-hosted · Website ↗

Forgejo

Self-hosted, community-run git forge

Forgejo is a lightweight open-source software forge with git hosting, code review, issues, packages and CI, governed by its community.

Free · Self-hosted, Linux · Website ↗

Fork

Fast and friendly git client for Mac and Windows

Fork is a native git GUI with commit graph, interactive rebase, merge conflict resolver and repository manager.

Paid · Mac, Windows · Website ↗

FusionAuth

Customer identity and auth you can run anywhere

FusionAuth is a downloadable or hosted CIAM platform with login, MFA, SSO and user management APIs.

Free plan · Web, Self-hosted, API · Website ↗

Ghostty

Fast, native, feature-rich terminal emulator

Ghostty is an open-source terminal emulator that uses platform-native UI and GPU acceleration.

Free · Mac, Linux · Website ↗

GitButler

Git client with virtual branches

GitButler is a Git client that lets you work on several branches at once, reorder commits and undo operations.

Free · Mac, Windows, Linux · Website ↗

Gitea

Lightweight self-hosted Git service

Gitea is a painless self-hosted Git server with code review, issues, packages and Actions CI, with an enterprise cloud option.

Free plan · Self-hosted, Web · Website ↗

GitKraken

Visual Git client and developer tools

GitKraken Desktop is a cross-platform Git GUI with a commit graph, merge tools and integrations, plus GitLens for VS Code.

Free plan · Mac, Windows, Linux · Website ↗

GitLab

DevSecOps platform with Git hosting and CI/CD

GitLab combines Git repositories, merge requests, CI/CD, package registry and security scanning, as SaaS or self-managed.

Free plan · Web, Self-hosted · Website ↗

Gitleaks

Find secrets in Git repositories

Gitleaks is an open-source tool that detects passwords, API keys and tokens in Git history and files.

Free · Mac, Windows, Linux · Website ↗

Gotify

Self-hosted server for sending and receiving messages

Gotify is a simple open-source server for sending push notifications via a REST API and receiving them in real time through a web UI and Android app.

Free · Self-hosted, Android, Web · Website ↗

GrowthBook

Open-source feature flags and experimentation

GrowthBook combines feature flags with a warehouse-native A/B testing and experimentation platform.

Free plan · Web, Self-hosted, API · Website ↗

Hanko

Open-source passkey-first authentication

Hanko provides passkey and passwordless authentication with drop-in web components, hosted or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

Hatchet

Background task orchestration on Postgres

Hatchet is an open-source platform for distributed task queues and durable workflows built on Postgres.

Free plan · Web, Self-hosted · Website ↗

Headlamp

Extensible Kubernetes web UI

Headlamp is a CNCF Kubernetes UI that runs in-cluster or as a desktop app, with plugin support.

Free · Web, Mac, Windows, Linux, Self-hosted · Website ↗

Headscale

Open-source, self-hosted Tailscale control server

Headscale is an open-source implementation of the Tailscale coordination server, letting you run your own private WireGuard mesh network.

Free · Self-hosted, Linux · Website ↗

Healthchecks.io

Cron job and background task monitoring with alerts

Healthchecks.io alerts you when scheduled jobs, cron tasks or backups fail to check in on time. It is open source and can be used hosted or self-hosted.

Free plan · Web, API, Self-hosted · Website ↗

Helix

Modal terminal editor with built-in language features

Helix is a Kakoune-inspired modal text editor written in Rust with tree-sitter and LSP support out of the box.

Free · Mac, Windows, Linux · Website ↗

Hexclave (formerly Stack Auth)

Open-source user authentication and management platform

Hexclave, formerly Stack Auth, is an open-source authentication and user-management platform with prebuilt components and a dashboard.

Free plan · Web, Self-hosted, API · Website ↗

Hoppscotch

Open-source API development ecosystem

Hoppscotch is a lightweight web and desktop API client for REST, GraphQL and WebSocket requests, self-hostable for teams.

Free plan · Web, Mac, Windows, Linux, Self-hosted · Website ↗

HTTPie

Human-friendly HTTP client for the terminal and desktop

HTTPie offers a popular open-source command-line HTTP client plus web and desktop apps for testing APIs.

Free plan · Mac, Windows, Linux, Web · Website ↗

Hurl

Run and test HTTP requests from plain text files

Hurl is an open-source CLI that runs HTTP requests defined in text files and asserts on responses for API testing.

Free · Mac, Windows, Linux · Website ↗

Hygraph

GraphQL-native headless CMS with content federation

Hygraph is a headless CMS built around GraphQL that can federate content from other APIs into one schema.

Free plan · Web, API · Website ↗

Infisical

Open-source secrets management platform

Infisical syncs secrets and environment variables to apps and infrastructure, with PKI and secret rotation.

Free plan · Web, Self-hosted, API · Website ↗

Inngest

Durable functions and event-driven workflows

Inngest lets developers write reliable step functions, background jobs and AI workflows triggered by events.

Free plan · Web, API, Self-hosted · Website ↗

Insomnia

Open-source API client for REST, GraphQL and gRPC

Insomnia, from Kong, is a desktop API client for designing, debugging and testing REST, GraphQL, gRPC and WebSocket APIs.

Free plan · Mac, Windows, Linux · Website ↗

IT Tools

Collection of handy online tools for developers

IT Tools bundles converters, encoders, generators and network utilities in one web app that you can also self-host.

Free · Web, Self-hosted · Website ↗

iTerm2

Feature-rich terminal replacement for macOS

iTerm2 is a free, open-source terminal for macOS with split panes, search, autocomplete, profiles and shell integration.

Free · Mac · Website ↗

Jenkins

Open-source automation server for CI/CD

Jenkins is a self-hosted automation server with a large plugin ecosystem for building, testing and deploying software.

Free · Self-hosted, Linux, Mac, Windows · Website ↗

JSON Crack

Visualize JSON and other data formats as interactive graphs

JSON Crack turns JSON, YAML, CSV and XML into interactive graph diagrams to make large data structures easier to explore.

Free plan · Web · Website ↗

Jujutsu

Git-compatible version control system

Jujutsu (jj) is a version control system that works on Git repos, treating the working copy as a commit and making rewrites easy.

Free · Mac, Windows, Linux · Website ↗

just

Handy command runner for project tasks

just saves and runs project-specific commands from a justfile, as a simpler alternative to make.

Free · Mac, Windows, Linux · Website ↗

K3s

Lightweight certified Kubernetes distribution

K3s is a small Kubernetes distribution packaged as a single binary for edge, IoT, homelabs and CI.

Free · Linux, Self-hosted · Website ↗

K9s

Terminal UI for managing Kubernetes clusters

K9s is a terminal-based UI that makes it fast to navigate, observe and manage Kubernetes resources.

Free · Mac, Windows, Linux · Website ↗

Kaleidoscope

File and image comparison app for Mac

Kaleidoscope compares text, images and folders side by side and integrates with git as a diff and merge tool.

Paid · Mac · Website ↗

Kamal

Deploy containerized web apps to your own servers

Kamal, from 37signals, deploys Docker containers to any server with zero-downtime rollouts and a built-in proxy.

Free · Linux, Mac, Self-hosted · Website ↗

Keygen

Software licensing and distribution API

Keygen is a licensing API for issuing license keys, enforcing entitlements and distributing software updates. It is available hosted or self-hosted.

Free plan · API, Web, Self-hosted · Website ↗

Keystatic

Content tool that saves to files or GitHub

Keystatic, from Thinkmill, edits Markdown, JSON and YAML content in your codebase with a UI and no database.

Free · Web, Self-hosted · Website ↗

Kilo Code

Open-source AI coding agent for VS Code and JetBrains

Kilo Code is an open-source coding agent that plans, writes and debugs code with access to many models.

Free plan · Mac, Windows, Linux · Website ↗

Kinde

Auth, feature flags and billing for SaaS products

Kinde offers authentication, user management, feature flags and subscription billing for B2B and B2C apps.

Free plan · Web, API · Website ↗

kitty

Fast, feature-rich GPU terminal emulator

kitty is a GPU-based terminal with tabs, splits, graphics protocol and scriptable extensions called kittens.

Free · Mac, Linux · Website ↗

Langflow

Visual builder for AI agents and RAG apps

Langflow is an open-source, Python-based visual editor for building and deploying AI agents and retrieval pipelines.

Free · Web, Self-hosted, Mac, Windows, Linux · Website ↗

lazygit

Simple terminal UI for git commands

lazygit is an open-source terminal interface for git that makes staging, committing, rebasing and resolving conflicts faster from the keyboard.

Free · Mac, Windows, Linux · Website ↗

Lens

Desktop IDE for Kubernetes clusters

Lens is a desktop app for viewing and managing Kubernetes clusters, workloads, logs and metrics.

Free plan · Mac, Windows, Linux · Website ↗

LiteLLM

Open-source LLM gateway and SDK for 100+ providers

LiteLLM is a Python SDK and proxy server that calls many LLM providers through an OpenAI-style API, with budgets, keys and logging.

Free plan · Self-hosted, API · Website ↗

Litestream

Streaming replication of SQLite databases to S3

Litestream continuously replicates SQLite databases to S3-compatible storage and other targets, giving simple disaster recovery for SQLite in production.

Free · Linux, Mac, Self-hosted · Website ↗

llama.cpp

LLM inference in C/C++ on everyday hardware

llama.cpp is an open-source C/C++ engine for running LLMs in GGUF format on CPUs and GPUs, with a built-in server.

Free · Mac, Windows, Linux · Website ↗

Logto

Open-source auth and identity for SaaS and AI apps

Logto provides sign-in experiences, OIDC, multi-tenancy, RBAC and SSO, available as cloud or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

Mailpit

Email and SMTP testing tool for developers

Mailpit is a small open-source SMTP server that captures outgoing email during development and shows it in a web UI, with an API for automated tests.

Free · Mac, Windows, Linux, Self-hosted · Website ↗

Mailtrap

Email testing sandbox plus sending API

Mailtrap catches test emails in a safe sandbox inbox and also offers an email sending API and SMTP for production.

Free plan · Web, API · Website ↗

Material for MkDocs

Documentation framework built on MkDocs

Material for MkDocs is an open-source theme and framework for building technical documentation sites from Markdown, with search and many built-in features.

Free · Self-hosted, Web · Website ↗

Mintlify

Hosted documentation platform for developer products

Mintlify builds documentation sites from MDX in your repo with API playgrounds, search and AI assistance.

Free plan · Web · Website ↗

mise

Dev tool version manager, env manager and task runner

mise manages versions of Node, Python and other tools per project, plus environment variables and tasks.

Free · Mac, Linux, Windows · Website ↗

Mockoon

Create mock REST APIs locally in seconds

Mockoon is an open-source desktop app and CLI for designing and running mock APIs locally, with templating, rules and OpenAPI import.

Free plan · Mac, Windows, Linux · Website ↗

n8n

Workflow automation with code and AI, self-hostable

n8n is a fair-code workflow automation tool with hundreds of integrations, custom code steps and AI agent nodes.

Free plan · Web, Self-hosted · Website ↗

Neovim

Hyperextensible Vim-based text editor

Neovim is a refactored Vim with Lua configuration, built-in LSP client and a large plugin ecosystem.

Free · Mac, Windows, Linux · Website ↗

ngrok

Expose local servers to the internet securely

ngrok creates secure tunnels and an API gateway to share localhost, test webhooks and route traffic to services.

Free plan · Mac, Windows, Linux, API · Website ↗

Nhost

Postgres and GraphQL backend with auth and storage

Nhost is an open-source backend that combines Postgres, a Hasura GraphQL API, authentication, storage and serverless functions.

Free plan · Web, API, Self-hosted · Website ↗

Nova

Native Mac code editor from Panic

Nova is a macOS-native code editor with extensions, built-in terminal, Git and remote server support.

Paid · Mac · Website ↗

Novu

Open-source notification infrastructure and inbox

Novu provides one API for email, SMS, push, chat and an embeddable in-app notification inbox with workflows.

Free plan · Web, Self-hosted, API · Website ↗

ntfy

Send push notifications to your phone with a simple HTTP request

ntfy is an open-source pub/sub notification service that sends push notifications to phones and desktops from scripts via HTTP PUT/POST. It can be self-hosted.

Free plan · Web, Android, iOS, Self-hosted, API · Website ↗

Ollama

Run open large language models locally

Ollama downloads and runs open models such as Llama, Gemma, Qwen and Mistral on your computer with a CLI and local API.

Free plan · Mac, Windows, Linux · Website ↗

OneDev

Self-hosted Git server with CI/CD and kanban

OneDev is an all-in-one self-hosted Git server with built-in CI/CD, code search, issue boards and packages.

Free plan · Self-hosted · Website ↗

opencode

Open-source AI coding agent for the terminal

opencode is an open-source terminal-based coding agent that works with many LLM providers.

Free plan · Mac, Windows, Linux · Website ↗

OpenReplay

Open-source session replay and product analytics

OpenReplay records user sessions with console and network logs so teams can debug issues, and can be self-hosted.

Free plan · Web, Self-hosted · Website ↗

OrbStack

Fast, light way to run Docker containers and Linux on Mac

OrbStack runs Docker containers, Kubernetes and Linux machines on macOS with low resource usage and quick startup.

Free plan · Mac · Website ↗

Ory

Open-source identity, login and permission services

Ory develops Kratos, Hydra, Keto and Oathkeeper for identity, OAuth2/OIDC and permissions, plus the managed Ory Network.

Free plan · Web, Self-hosted, API · Website ↗

Pagefind

Static search library for static websites

Pagefind indexes a built static site and adds fast client-side search with low bandwidth and no server.

Free · Web · Website ↗

Payload

Open-source Next.js-native headless CMS

Payload is a TypeScript headless CMS and app framework that installs directly into a Next.js app.

Free · Self-hosted, Web · Website ↗

Plunk

Open-source email platform for transactional email

Plunk is an open-source email platform built on AWS SES for sending transactional emails and simple automated campaigns via an API.

Free plan · API, Web, Self-hosted · Website ↗

PocketBase

Open-source backend in a single file

Open-source backend in one executable: database, auth, file storage and realtime API.

Free · Self-hosted · Website ↗

Podman

Daemonless, rootless container engine

Podman runs OCI containers and pods without a background daemon, with Docker-compatible commands and Podman Desktop.

Free · Mac, Windows, Linux · Website ↗

Polar

Open-source merchant of record for developers

Polar lets developers sell subscriptions, digital products and license keys with usage billing, acting as merchant of record.

Commission · Web, API · Website ↗

Portainer

Web UI for managing Docker and Kubernetes

Portainer is a container management UI for Docker, Swarm, Podman and Kubernetes environments.

Free plan · Self-hosted, Web · Website ↗

Portkey

AI gateway with observability and guardrails

Portkey provides an AI gateway for routing, caching and fallback across LLM providers, plus logging, prompts and guardrails.

Free plan · Web, API, Self-hosted · Website ↗

PostHog

Product analytics, session replay, feature flags and experiments

PostHog is an all-in-one product platform with analytics, session replay, feature flags, A/B testing, surveys and a data warehouse.

Free plan · Web, Self-hosted, API · Website ↗

Postico

Native PostgreSQL client for the Mac

Postico is a Mac app for browsing, editing and querying PostgreSQL databases, designed for both developers and less technical users.

Free plan · Mac · Website ↗

Prisma

TypeScript ORM plus managed Postgres

Prisma provides a type-safe ORM for Node.js and TypeScript, schema migrations, and a managed Prisma Postgres database service.

Free plan · API, Web · Website ↗

Promptfoo

Test and red-team LLM apps from the command line

Promptfoo is an open-source CLI for evaluating prompts and models with test cases and for red-teaming LLM apps for security issues.

Free plan · Mac, Linux, Windows, Web · Website ↗

Proxyman

Modern HTTP debugging proxy for macOS, Windows and Linux

Proxyman captures and inspects HTTP/HTTPS traffic from apps, browsers and iOS/Android devices, with breakpoints, scripting and request mapping.

Free plan · Mac, Windows, Linux, iOS · Website ↗

Pushover

Simple push notifications for scripts, servers and apps

Pushover delivers real-time notifications to iOS, Android and desktop devices from your own scripts, servers and many supported services via a simple API.

Paid · iOS, Android, Web, API · Website ↗

Rancher Desktop

Open-source Kubernetes and containers on the desktop

Rancher Desktop, from SUSE, provides local Kubernetes and container runtimes (containerd or Moby) with a GUI.

Free · Mac, Windows, Linux · Website ↗

Ray

Desktop debugging app for PHP, JavaScript and more

Ray, from Spatie, is a desktop app that receives debug output from your code so you can inspect variables, queries and events outside the browser.

Paid · Mac, Windows, Linux · Website ↗

regex101

Online regex tester and debugger

regex101 lets you build, test and debug regular expressions for PCRE, JavaScript, Python, Go, Java and more, with explanations and a match debugger.

Free · Web · Website ↗

RegExr

Learn, build and test regular expressions online

RegExr is an open-source online tool for creating and testing regular expressions, with a reference, cheatsheet and community patterns.

Free · Web · Website ↗

Renovate

Automated dependency update pull requests

Renovate, from Mend, opens pull requests to update dependencies across many package managers and Git platforms.

Free · Web, Self-hosted · Website ↗

Requestly

Intercept, modify and mock HTTP requests

Requestly is a browser extension and desktop app for rewriting requests, mocking APIs and testing APIs like a lightweight API client.

Free plan · Browser extension, Mac, Windows, Linux, Web · Website ↗

Resend

Email API for developers, with React Email

Resend is a transactional and marketing email API with SDKs for many languages and templates written in React.

Free plan · API, Web · Website ↗

RunJS

JavaScript and TypeScript playground on your desktop

RunJS is a desktop scratchpad that evaluates JavaScript and TypeScript as you type, with Node.js and npm package support.

Free plan · Mac, Windows, Linux · Website ↗

Sanity

Content platform with a customizable editing studio

Sanity stores structured content in a hosted content lake with a React-based Studio you configure in code and real-time collaboration.

Free plan · Web, API · Website ↗

Scalar

Open-source API reference docs and API client

Scalar renders interactive OpenAPI references and includes an offline-first API client, plus hosted docs.

Free plan · Web, Mac, Windows, Linux · Website ↗

Semaphore

CI/CD platform, now with an open-source community edition

Semaphore is a CI/CD service with visual pipeline editing, test reports and a self-hostable open-source edition.

Free plan · Web, Self-hosted · Website ↗

Semgrep

Static analysis for security bugs and code patterns

Semgrep scans code for vulnerabilities and custom patterns, with supply-chain and secrets scanning in its platform.

Free plan · Mac, Linux, Web · Website ↗

Sentry

Error tracking and performance monitoring for apps

Sentry captures errors, performance traces, session replays and logs from web, mobile and backend applications.

Free plan · Web, Self-hosted, API · Website ↗

Sequel Ace

Free open-source MySQL and MariaDB client for Mac

Sequel Ace is the community-maintained successor to Sequel Pro for managing MySQL and MariaDB databases on macOS.

Free · Mac · Website ↗

Sidekiq

Background job processing for Ruby

Sidekiq is a widely used background job system for Ruby and Rails, with open-source and commercial Pro and Enterprise editions.

Free plan · Self-hosted · Website ↗

Snyk

Developer security for code, dependencies and containers

Snyk finds and helps fix vulnerabilities in code, open-source dependencies, containers and infrastructure as code.

Free plan · Web, API · Website ↗

Socket

Detect malicious and risky open-source dependencies

Socket analyzes npm, PyPI and other packages for supply-chain attacks and risky behavior before you install them.

Free plan · Web, API · Website ↗

SOPS

Encrypt values in YAML, JSON and env files

SOPS is a CNCF tool for editing encrypted files that keeps keys readable and encrypts values with age, PGP or cloud KMS.

Free · Mac, Windows, Linux · Website ↗

SourceHut

Minimalist software forge with mailing lists and CI

SourceHut is a lightweight, JavaScript-free suite for Git and Mercurial hosting, mailing lists, ticket tracking and builds.

Paid · Web, Self-hosted · Website ↗

Starlight

Documentation framework built on Astro

Starlight is an open-source Astro theme for fast, accessible documentation sites with search and i18n.

Free · Web · Website ↗

Starship

Fast, customizable cross-shell prompt

Starship is a minimal prompt for any shell that shows Git status, language versions and context.

Free · Mac, Windows, Linux · Website ↗

Storyblok

Headless CMS with a visual editor

Storyblok is a headless CMS with component-based content and a live visual editor for marketers and developers.

Free plan · Web, API · Website ↗

Strapi

Open-source headless CMS for JavaScript

Strapi is a Node.js headless CMS with a customizable admin panel and REST or GraphQL APIs, self-hosted or on Strapi Cloud.

Free plan · Web, Self-hosted · Website ↗

Sublime Merge

Fast git client from the makers of Sublime Text

Sublime Merge is a cross-platform git GUI with fast search, a three-way merge tool and side-by-side diffs.

Paid · Mac, Windows, Linux · Website ↗

Sublime Text

Fast, sophisticated text editor for code

Sublime Text is a cross-platform code editor known for speed, multiple cursors and a Python plugin API.

Paid · Mac, Windows, Linux · Website ↗

Supabase

Open-source Postgres backend with auth, storage and realtime

Supabase gives developers a hosted Postgres database with authentication, file storage, edge functions and realtime APIs. It can also be self-hosted.

Free plan · Web, API, Self-hosted · Website ↗

SuperTokens

Open-source authentication for your app

SuperTokens offers prebuilt login UI, session management and auth recipes that you can self-host or use managed.

Free plan · Web, Self-hosted, API · Website ↗

Tabby Terminal

Configurable terminal, SSH and serial client

Tabby is an open-source terminal emulator with an integrated SSH and Telnet client, serial terminal and plugins.

Free · Mac, Windows, Linux, Web · Website ↗

TablePlus

Native GUI client for relational and NoSQL databases

TablePlus is a fast native app for browsing, querying and editing PostgreSQL, MySQL, SQLite, Redis, MongoDB and many other databases.

Free plan · Mac, Windows, Linux, iOS · Website ↗

Task

Task runner and build tool using YAML

Task is a Go-based task runner that defines commands in a Taskfile.yml, as a simpler alternative to GNU Make.

Free · Mac, Windows, Linux · Website ↗

TelemetryDeck

Privacy-focused app analytics for Apple and other platforms

TelemetryDeck provides anonymized usage analytics for iOS, macOS and other apps, without collecting personal data.

Free plan · Web, API · Website ↗

Temporal

Open-source durable execution platform

Temporal runs long-lived workflows as code with automatic retries and state persistence across failures.

Free plan · Self-hosted, Web · Website ↗

Termius

SSH client that syncs across desktop and mobile

Termius is an SSH and SFTP client with synced hosts, keys and snippets across desktop and mobile devices.

Free plan · Mac, Windows, Linux, iOS, Android · Website ↗

TinaCMS

Git-backed headless CMS with visual editing

TinaCMS stores content as Markdown and JSON in your Git repo and gives editors a visual editing interface.

Free plan · Web, Self-hosted · Website ↗

Tinkerwell

Code runner for PHP and Laravel apps

Tinkerwell lets you run PHP code in the context of local or remote Laravel, WordPress and other PHP projects, including over SSH.

Paid · Mac, Windows, Linux · Website ↗

Tower

Powerful git client for Mac and Windows

Tower is a git desktop client with visual history, drag-and-drop, conflict resolution and integrations with GitHub, GitLab and Bitbucket.

Paid · Mac, Windows · Website ↗

Trigger.dev

Background jobs and AI workflows in TypeScript

Trigger.dev runs long-running background tasks, scheduled jobs and AI agents written in TypeScript, with retries and observability.

Free plan · Web, Self-hosted, API · Website ↗

Trivy

Security scanner for containers, code and cloud

Trivy, from Aqua Security, scans container images, filesystems, Git repos and Kubernetes for vulnerabilities and misconfigurations.

Free · Mac, Windows, Linux · Website ↗

TruffleHog

Find, verify and analyze leaked credentials

TruffleHog scans repos, cloud storage and chat tools for secrets and checks whether found credentials are live.

Free plan · Mac, Windows, Linux · Website ↗

Unleash

Open-source feature flag management

Unleash is a feature management platform for toggles, gradual rollouts and A/B tests, self-hosted or cloud.

Free plan · Web, Self-hosted, API · Website ↗

Uptime Kuma

Self-hosted uptime monitoring

Open-source, self-hosted monitoring for websites and services, with alerts and status pages.

Free · Self-hosted · Website ↗

vLLM

High-throughput LLM inference and serving engine

vLLM is an open-source library for fast LLM serving with PagedAttention, continuous batching and an OpenAI-compatible server.

Free · Linux, Self-hosted · Website ↗

VSCodium

Telemetry-free builds of VS Code

VSCodium distributes community-built, MIT-licensed binaries of the VS Code editor without Microsoft telemetry and branding.

Free · Mac, Windows, Linux · Website ↗

Wagtail

Open-source Django content management system

Wagtail is a Python/Django CMS with a StreamField page editor, also usable headless via its API.

Free · Self-hosted · Website ↗

Warp

Modern terminal with built-in AI agents

Warp is a terminal with IDE-style input editing, command blocks, shared workflows and AI agents for coding tasks.

Free plan · Mac, Windows, Linux · Website ↗

Wave Terminal

Open-source terminal with inline previews and AI

Wave is a terminal that adds file previews, web widgets, remote connections and AI chat alongside the shell.

Free · Mac, Windows, Linux · Website ↗

Webhook.site

Instantly inspect, test and automate webhooks

Webhook.site gives you a unique URL and email address to capture and inspect incoming HTTP requests, with optional custom actions to transform and forward them.

Free plan · Web, API · Website ↗

WezTerm

GPU-accelerated terminal and multiplexer

WezTerm is a cross-platform terminal emulator and multiplexer configured in Lua.

Free · Mac, Windows, Linux · Website ↗

Windmill

Open-source platform for scripts, workflows and internal UIs

Windmill turns scripts in Python, TypeScript, Go and more into workflows, scheduled jobs and internal apps.

Free plan · Web, Self-hosted · Website ↗

WireMock

Open-source tool for mocking HTTP APIs

WireMock simulates HTTP APIs for testing with request matching, stubbing and fault injection, with a hosted WireMock Cloud.

Free plan · Self-hosted, Web, Linux, Mac, Windows · Website ↗

Woodpecker CI

Simple community-run open-source CI/CD engine

Woodpecker is a lightweight, container-based CI/CD system that integrates with Gitea, Forgejo, GitHub and GitLab and is configured with YAML pipelines.

Free · Self-hosted · Website ↗

WorkOS

Enterprise SSO, directory sync and auth APIs

WorkOS provides APIs for SAML/OIDC SSO, SCIM directory sync, audit logs and a hosted AuthKit login for B2B SaaS.

Free plan · Web, API · Website ↗

Yaak

Desktop API client for REST, GraphQL, gRPC and WebSockets

Yaak is an open-source desktop API client from the original creator of Insomnia, supporting REST, GraphQL, gRPC, WebSockets and server-sent events.

Free plan · Mac, Windows, Linux · Website ↗

Zed

High-performance collaborative code editor with AI

Zed is a fast open-source code editor written in Rust with multiplayer editing and built-in AI assistance.

Free plan · Mac, Linux, Windows · Website ↗

Zellij

Terminal workspace and multiplexer

Zellij is a terminal multiplexer with layouts, floating panes, a plugin system and discoverable keybindings.

Free · Mac, Linux · Website ↗

ZITADEL

Open-source identity infrastructure for multi-tenant apps

ZITADEL provides authentication, SSO, passkeys and multi-tenancy for B2B apps, as a cloud service or self-hosted.

Free plan · Web, Self-hosted, API · Website ↗

zrok

Open-source sharing of local services and files

zrok, built on OpenZiti, shares local web services, TCP ports and files publicly or privately, and can be self-hosted.

Free plan · Mac, Windows, Linux, Self-hosted · Website ↗

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