* [Parabol v15.0.0](https://github.com/ParabolInc/parabol) – Open-source application for running agile meetings like retrospectives and Sprint Poker.

* [Nakama v3.41.0](https://github.com/heroiclabs/nakama) – Distributed server for social and realtime games and applications.

* [Supabase Realtime v2.143.0](https://github.com/supabase/realtime) – Server for broadcasting messages, tracking shared state, and listening to Postgres changes via WebSockets.

* [deepstream v10.2.4](https://github.com/deepstreamIO/deepstream.io) – Realtime server enabling high-speed data sync, messaging, and RPCs with authentication and permissions.

* [Ably Pub/Sub JavaScript SDK 2.29.0](https://github.com/ably/ably-pubsub-js) – Ably Pub/Sub JavaScript SDK providing pub-sub messaging, message history, presence, and push notifications across Node, React, and Web Workers.

* [H2O Wave v1.8.14](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.

* [PocketBase v0.22.56](https://github.com/pocketbase/pocketbase) – Go backend with an embedded database, real-time subscriptions, user management, and a simple API.

* [ygo v1.51.0](https://github.com/reearth/ygo) – Binary-compatible, pure-Go CRDT library implementing Yjs data types, wire formats, and y-protocols sync and awareness, with an optional scalable Hocuspocus-compatible WebSocket server and embeddable mobile client.

* [Sarus v0.7.18](https://github.com/anephenix/sarus) – WebSocket client library for JavaScript with automatic reconnection and queued message sending across reconnects, including optional browser-storage persistence.

* [RedwoodSDK v1.7.4](https://github.com/redwoodjs/sdk) – React framework for Cloudflare that provides SSR, server components, and realtime features.

* [Supabase Flutter supabase\_typegen-v0....](https://github.com/supabase/supabase-flutter) – Flutter client library for interacting with Supabase backend services.

* [Vibedgames vibedgames@0.8.0](https://github.com/kyh/vibedgames) – Personal AI game studio that provisions hosting, generates assets, and prompts features for shipping games.