Open source real-time projects
Every project in the registry tagged real-time, ranked by real GitHub adoption.
Self-hosted team messaging with voice, video, and AI
Visual project management with complete data control
The API and real-time application framework
Realtime log viewer for containers. Supports Docker, Swarm and K8s.
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once
Secure collaboration with end-to-end encryption
HedgeDoc - Ideas grow better together
Sanity Studio – Rapidly configure content workspaces powered by structured content
PartyKit simplifies developing multiplayer applications
Next-gen WebSockets server for real-time apps
🦀 event stream processing for developers to collect and transform data in motion to power responsive data intensive applications.
A post processing library for three.js.
XMPP for JavaScript
Real-time stream processing made simple and affordable
Real-time logging dashboard for Kubernetes. View logs in a terminal or a browser. Run anywhere - desktop, cluster, docker.
Complete WebSocket Traffic Control with advanced proxy, simulation, and blocking capabilities
Real time communication for agents. Wake on message, channels, DMs and actions. Useful for orchestrating agents.
TickDB: AI-native real time stock API and market data API for US stocks, HK stocks, A-shares, forex, crypto, indices and commodities. Skill, CLI, MCP, REST API
SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).
Straightforward realtime kanban boards management for intuitive task tracking. 4ga Boards features an elegant dark mode, collapsible todo lists, and multitaskin
Related tags
Frequently asked questions
How many open source real-time projects are there?
This registry tracks 20 projects tagged real-time, with 161,149 GitHub stars between them. The most-adopted is Rocket.Chat at 46,358 stars.
Are these real-time projects free to use?
Yes — 19 of the 20 carry an explicit open-source licence across 5 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which real-time project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these real-time projects still maintained?
18 of the 20 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.