What are the best Realtime API repositories on GitHub?

The top-ranked Realtime API open source repositories include dunglas/mercure, rasonyang/cascade-realtime-gateway, tracked and evaluated by community adoption, stars, and code commits.

How do I find trending Realtime API open source tools?

Browse this curated Realtime API directory to monitor real-time GitHub star velocity, latest code releases, and rising developer tools updated daily.

Are Realtime API GitHub repositories free and open source?

Most Realtime API projects listed here are distributed under open source licenses (such as MIT, Apache 2.0, or GPL). Always check individual project repositories for exact license terms.

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Realtime API GitHub Repositories (2026) · Open Source Tools

Discover the best Realtime API open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.

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2 matching projects · updated Oct 9, 2026 How we rank ↗

#1 TRENDING dunglas/mercure Go 2018

🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications

◇ api ◇ async-api ◇ caddy ◇ golang

349 ↑ +1 today

5.3K

#2 TRENDING rasonyang/cascade-realtime-gateway Go NEW 2026

Self-hosted voice gateway in Go that speaks the OpenAI Realtime (GA) WebSocket protocol and runs a cascaded ASR → LLM → TTS pipeline behind it. Keep clients unchanged while swapping speech and LLM providers at runtime

◇ asr ◇ cascaded-pipeline ◇ dashscope ◇ deepgram

6 ↑ +1 today

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Realtime API GitHub Repositories (2026) · Open Source Tools

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