Indie Monitoring tools

41 monitoring products built by independent developers and small teams.

Looking to replace something? Datadog · Pingdom · Sentry · UptimeRobot · Better Stack · Rollbar · Statuspage · Raygun · Splunk · Instatus · Nagios · New Relic

Apitally

Simple API monitoring and analytics for Python and Node.js

Apitally adds API traffic analytics, error tracking, request logging and uptime alerts to frameworks like FastAPI, Django, Flask, Express and NestJS via a small middleware.

Free plan · Web, API · Website ↗

AppSignal

Application performance monitoring and error tracking

AppSignal provides APM, error tracking, host metrics, logging and uptime monitoring for Ruby, Elixir, Node.js, Python and front-end apps.

Paid · Web, API · Website ↗

Axiom

Event and log data platform with fast querying

Axiom stores and queries logs, traces and event data for observability and analytics with a query language and dashboards.

Free plan · Web, API · Website ↗

Beszel

Lightweight self-hosted server monitoring with Docker stats

Beszel is an open-source server monitoring hub that tracks CPU, memory, disk, network and Docker container usage, with history and alerts.

Free · Self-hosted, Linux · Website ↗

Better Stack

Uptime monitoring, incident management, logs and status pages

Better Stack combines uptime checks, on-call alerting, status pages, log management and dashboards in one service.

Free plan · Web, API · Website ↗

Bugsink

Self-hosted error tracking that works with Sentry SDKs

Bugsink is a lightweight error tracker you can self-host or use hosted, compatible with existing Sentry client SDKs.

Free plan · Self-hosted, Web · 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 ↗

Checkmk

IT infrastructure monitoring for servers, networks and cloud

Checkmk monitors servers, networks, containers and cloud services with auto-discovery and thousands of check plugins.

Free plan · Self-hosted, Linux · Website ↗

Cronitor

Monitoring for cron jobs, websites, APIs and status pages

Cronitor monitors cron jobs, background workers, websites and APIs, and alerts you when something breaks. It also offers hosted status pages.

Free plan · Web, API · Website ↗

Dozzle

Real-time log viewer for Docker containers

Dozzle is a small open-source web app for viewing and searching Docker container logs in real time. It runs as a container and stores nothing.

Free · Self-hosted, Web · Website ↗

Exceptionless

Open-source real-time error and event reporting

Exceptionless collects errors, logs and feature usage events from .NET, JavaScript and other apps, and can be self-hosted or used hosted.

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

Flare

Error tracking and performance monitoring for Laravel and PHP

Flare, from the makers of Spatie, tracks errors and performance in Laravel, PHP and JavaScript apps and shows solutions alongside stack traces.

Paid · Web, API · Website ↗

Gatus

Developer-oriented health dashboard and status page

Gatus is an open-source tool that monitors HTTP, TCP, DNS and other endpoints using configurable conditions, with alerts and a status page. A managed version is also offered.

Free plan · Self-hosted, Web · Website ↗

GlitchTip

Open-source error tracking compatible with Sentry SDKs

GlitchTip collects application errors and performance data using Sentry's open SDKs, and can be self-hosted or used as a hosted service.

Free plan · Web, Self-hosted · Website ↗

Grafana

Open-source dashboards and observability stack

Grafana visualizes metrics, logs and traces from many data sources; Grafana Labs also offers Loki, Tempo, Mimir and a hosted cloud.

Free plan · Web, Self-hosted · 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 ↗

Helicone

Open-source LLM observability and gateway

Helicone logs and analyzes LLM requests for cost, latency and quality, and offers an AI gateway, self-hostable or managed.

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

HetrixTools

Uptime, server and blacklist monitoring

HetrixTools offers uptime monitoring, server resource monitoring and IP/domain blacklist monitoring with alerts and status pages.

Free plan · Web, API · Website ↗

Honeybadger

Error tracking, uptime and cron monitoring for developers

Honeybadger combines exception monitoring, uptime checks, cron monitoring and logging for web apps, with support for Ruby, JavaScript, Python, PHP, Elixir and more.

Free plan · Web, API · Website ↗

HyperDX

Observability on ClickHouse for logs, traces and replays

HyperDX, part of ClickHouse, is an open-source observability UI for searching logs, traces, metrics and session replays.

Free plan · Web, Self-hosted · Website ↗

Hyperping

Uptime monitoring and status pages for websites and APIs

Hyperping monitors websites, APIs and cron jobs from multiple regions and pairs the checks with hosted status pages and on-call alerts.

Free plan · Web, API · Website ↗

Instatus

Hosted status pages and uptime monitoring

Instatus lets teams publish fast, hosted status pages and incident updates, with built-in uptime monitoring and subscriber notifications.

Free plan · Web, API · Website ↗

Jaeger

Open-source distributed tracing platform

Jaeger is a CNCF project for collecting and visualizing distributed traces to debug latency in microservices.

Free · Self-hosted · Website ↗

Kener

Open-source, self-hosted status page with monitoring

Kener is an open-source status page system with built-in monitors and incident management that you deploy on your own server.

Free · Self-hosted · Website ↗

Langfuse

Open-source LLM engineering platform for tracing and evals

Langfuse provides tracing, prompt management, evaluations and datasets for LLM applications, cloud or self-hosted.

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

Netdata

Real-time infrastructure monitoring with per-second metrics

Netdata is a monitoring agent that auto-detects services and shows per-second metrics, anomalies and alerts for servers and containers.

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

Oh Dear

Website monitoring: uptime, SSL, broken links and more

Oh Dear monitors websites for downtime, expiring SSL certificates, broken links, mixed content, DNS changes and scheduled tasks, and can host status pages.

Paid · Web, API · Website ↗

OpenObserve

Observability platform for logs, metrics and traces

OpenObserve is an open-source observability backend that stores logs, metrics and traces on object storage for lower cost.

Free plan · Web, Self-hosted · 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 ↗

OpenStatus

Open-source synthetic monitoring and status pages

OpenStatus monitors websites and APIs from multiple regions and publishes status pages. It is open source and offered as a hosted service.

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 ↗

Prometheus

Open-source metrics collection and alerting

Prometheus is a CNCF monitoring system that scrapes time-series metrics, stores them locally and evaluates alerting rules.

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

Rollbar

Real-time error monitoring and grouping

Rollbar captures and groups application errors from many languages and frameworks, with alerts and deploy tracking.

Free plan · Web, API · 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 ↗

SigNoz

Open-source observability with logs, metrics and traces

SigNoz is an OpenTelemetry-native observability platform that combines APM, logs, metrics and traces in one app.

Free plan · Web, Self-hosted · Website ↗

updown.io

Simple pay-as-you-go website uptime monitoring

updown.io checks websites and APIs at regular intervals and alerts you on downtime or SSL problems, with simple public status pages.

Paid · Web, API · Website ↗

Upptime

Open-source uptime monitor and status page powered by GitHub

Upptime uses GitHub Actions to check your sites, GitHub Issues for incident reports and GitHub Pages for a status page. It is free and open source.

Free · Web, Self-hosted · Website ↗

UptimeRobot

Website and server uptime monitoring with alerts

UptimeRobot checks websites, ports, keywords and cron heartbeats at intervals and alerts you when something goes down.

Free plan · Web, iOS, Android, API · Website ↗

Uptrace

OpenTelemetry APM with traces, metrics and logs

Uptrace is an OpenTelemetry-based APM tool built on ClickHouse for distributed tracing, metrics and logs.

Free plan · Web, Self-hosted · Website ↗

VictoriaMetrics

Fast, cost-efficient time-series database and monitoring

VictoriaMetrics is a Prometheus-compatible metrics database, with VictoriaLogs for logs, available open source or as managed cloud.

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

Zabbix

Open-source monitoring for networks, servers and apps

Zabbix monitors servers, network devices, cloud services and applications with templates, alerting and dashboards.

Free plan · Self-hosted, Linux · Website ↗

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