* [deepstream v10.1.0](https://github.com/deepstreamIO/deepstream.io) – Realtime server enabling high-speed data sync, messaging, and RPCs with authentication and permissions.

* [Nakama v3.39.0](https://github.com/heroiclabs/nakama) – Distributed server for social and realtime games and applications.

* [Supabase Realtime v2.103.0](https://github.com/supabase/realtime) – Server for broadcasting messages, tracking shared state, and listening to Postgres changes via WebSockets.

* [Parabol v13.22.0](https://github.com/ParabolInc/parabol) – Open-source application for running agile meetings like retrospectives and Sprint Poker.

* [PocketBase v0.39.0](https://github.com/pocketbase/pocketbase) – Go backend with an embedded database, real-time subscriptions, user management, and a simple API.

* [Thorium v4.7.0](https://github.com/Thorium-Sim/thorium) – Guided narrative multiplayer cooperative real-time spaceship bridge simulator emphasizing storytelling and crew collaboration.

* [Figbird v0.23.0](https://github.com/humaans/figbird) – Realtime data management for React applications using Feathers.

* [RedwoodSDK v1.2.10](https://github.com/redwoodjs/sdk) – React framework for Cloudflare that provides SSR, server components, and realtime features.

* [Prostgles UI v2.3.1](https://github.com/prostgles/ui) – SQL editor and internal tool builder for Postgres.

* [Ably Pub/Sub Go SDK v1.4.1](https://github.com/ably/ably-go) – Go client library providing realtime pub-sub messaging, presence, message history, and push notifications.