* [Supabase Realtime v2.130.0](https://github.com/supabase/realtime) – Server for broadcasting messages, tracking shared state, and listening to Postgres changes via WebSockets.

* [Parabol v13.38.0](https://github.com/ParabolInc/parabol) – Open-source application for running agile meetings like retrospectives and Sprint Poker.

* [PocketBase v0.40.0](https://github.com/pocketbase/pocketbase) – Go backend with an embedded database, real-time subscriptions, user management, and a simple API.

* [Soul v0.9.0](https://github.com/thevahidal/soul) – SQLite-based REST and realtime API server with optional authentication and authorization.

* [Supabase v1.26.08](https://github.com/supabase/supabase) – Firebase-like platform using open source tools for building applications.

* [RedwoodSDK v1.7.0](https://github.com/redwoodjs/sdk) – React framework for Cloudflare that provides SSR, server components, and realtime features.

* [Ably 2.28.0](https://github.com/ably/ably-js) – JavaScript client library for realtime messaging and data synchronization.

* [H2O Wave v1.8.12](https://github.com/h2oai/wave) – Software stack for building low-latency, realtime, browser-based applications and dashboards in Python and R without HTML or JavaScript.

* [Mirrorbits v0.6.2](https://github.com/videolabs/mirrorbits) – A Go-based geographical download redirector that distributes files across synchronized mirrors with location-aware, high-throughput routing and monitoring.

* [Figbird devtools-v0.3.0](https://github.com/humaans/figbird) – Realtime data management for React applications using Feathers.

* [Vibedgames vibedgames@0.4.0](https://github.com/kyh/vibedgames) – Personal AI game studio that provisions hosting, generates assets, and prompts features for shipping games.

* [Frigate v0.18.0-beta3](https://github.com/blakeblackshear/frigate) – Local NVR with realtime AI object detection for IP cameras optimized for Home Assistant integration.