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Ably

Realtime pub/sub messaging infrastructure

Ably provides hosted WebSocket pub/sub channels, presence and message history for realtime features like chat and live updates.

Pricing: Free plan

Platforms: API, Web

Categories: APIs

Ably compared with similar tools

Product	Price	Open source	Self-host	Platforms
Ably	Free plan	–	–	API, Web
Pusher	Free plan	–	–	API, Web
Soketi	Free	Yes	Yes	Self-hosted
Yaak	Free plan	Yes	–	Mac, Windows, Linux
Novu	Free plan	Yes	Yes	Web, Self-hosted, API

Hosted WebSockets and push notifications

Pusher Channels adds realtime features via hosted WebSockets, and Pusher Beams sends push notifications to apps.

Free plan · API, Web · Website ↗

Open-source WebSocket server compatible with Pusher

Soketi is a self-hostable WebSocket server that implements the Pusher protocol so existing Pusher clients work with it.

Free · Self-hosted · Website ↗

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 ↗

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 ↗

Ably is free to start, with paid plans.

Ably is available for API, Web.

Similar indie products include Pusher, Soketi, Yaak and Novu.

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