* [HAVEN v4.0.0](https://github.com/ancsemi/Haven) – Self-hosted private chat server that runs on your machine, offering voice, channels, invite codes, and file sharing. * [NATS Server v2.14.6](https://github.com/nats-io/nats-server) – High-performance messaging server for cloud-native applications and distributed systems. * [Centrifugo v6.9.3](https://github.com/centrifugal/centrifugo) – Scalable real-time messaging server supporting multiple transport protocols for building interactive applications. * [Sharkord v0.0.24](https://github.com/Sharkord/sharkord) – Lightweight self-hosted real-time communication platform providing voice, video, text, and file sharing with full data control. * [RocketMQ Clients java-5.2.2](https://github.com/apache/rocketmq-clients) – Collection of client bindings for Apache RocketMQ 5.x, built on Protocol Buffers and gRPC following the rocketmq-apis specifications. * [Harper v5.2.6](https://github.com/HarperFast/harper) – Node.js unified in-memory platform combining database, cache, application logic, and messaging for microsecond-level performance.