* [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. * [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. * [RedwoodSDK v1.7.2](https://github.com/redwoodjs/sdk) – React framework for Cloudflare that provides SSR, server components, and realtime features. * [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.