* [Keybase v6.6.0](https://github.com/keybase/client) – Client applications for macOS, Windows, Linux, iOS, and Android, actively developed in this repository.

* [Rocket.Chat 8.2.0](https://github.com/RocketChat/Rocket.Chat) – Customizable communications platform for secure team collaboration and customer interactions.

* [Hubot v14.1.0](https://github.com/hubotio/hubot) – Framework for building chat bots, extendable with scripts and compatible with various chat services.

* [Rocket.Chat Desktop App 4.13.0](https://github.com/RocketChat/Rocket.Chat.Electron) – Cross-platform desktop client for Rocket.Chat built with Electron.

* [WPPConnect v1.41.0](https://github.com/wppconnect-team/wppconnect) – Library for exporting functions from WhatsApp Web to Node.js for various interactions.

* [Onetime Secret v0.24.0](https://github.com/onetimesecret/onetimesecret) – Securely share sensitive information through a single-use link that can be viewed only once.

* [Ganymede v4.14.0](https://github.com/Zibbp/ganymede) – Twitch VOD and live stream archiving platform with real-time and rendered chat playback.

* [Rocket.Chat Mobile 4.70.0](https://github.com/RocketChat/Rocket.Chat.ReactNative) – Mobile client for Rocket.Chat supporting iOS and Android platforms.

* [Delta Chat Desktop v2.43.0](https://github.com/deltachat/deltachat-desktop) – Desktop application for secure messaging based on email protocols.

* [HAVEN v2.0.0](https://github.com/ancsemi/Haven) – Self-hosted private chat server that runs on your machine, offering voice, channels, invite codes, and file sharing.

* [Official React Native SDK for Stream Chat v8.13.0](https://github.com/GetStream/stream-chat-react-native) – React Native and Expo components for building chat applications with Stream Chat.

* [stream-chat-react v13.14.2](https://github.com/GetStream/stream-chat-react) – React components library for building various chat applications using Stream Chat.

* [WeeChat v4.8.2](https://github.com/weechat/weechat) – Fast and lightweight chat client designed for multiple operating systems with extensive customization options.

* [Obot v0.17.0](https://github.com/obot-platform/obot) – MCP Gateway and AI platform that provides LLM chat, server discovery, knowledge integration, and centralized administration for self-hosted or cloud deployments.

* [Tinode v0.25.2](https://github.com/tinode/chat) – Full stack instant messaging platform with support for multiple clients and protocols.

* [SAMA 0.36.0](https://github.com/SAMA-Communications/sama-server) – Chat server implementing a custom messaging protocol as an alternative to XMPP.

* [Official Go SDK for Stream Chat v8.4.0](https://github.com/GetStream/stream-chat-go) – Go client library for accessing server-side chat API endpoints and managing channels, messages, and users.

* [chatgpt-vue3-light-mvp v2.8.0](https://github.com/pdsuwwz/chatgpt-vue3-light-mvp) – MVP Vue 3 TypeScript chatbot web prototype with single-turn Q&A, SSE streaming, markdown/Mermaid/KaTeX preview, and multiple model API support.

* [Stream CLI v1.9.0](https://github.com/GetStream/stream-cli) – Command-line tool to configure and manage Stream applications from the terminal, currently focused on Chat.

* [Sharkord v0.0.15](https://github.com/Sharkord/sharkord) – Lightweight self-hosted real-time communication platform providing voice, video, text, and file sharing with full data control.

* [CometChat UI Kit for React v6.3.13](https://github.com/cometchat/cometchat-uikit-react) – Pre-built user interface kit for integrating a chat experience into React applications.

* [CometChat React Native UI Kit v5.2.11](https://github.com/cometchat/cometchat-uikit-react-native) – Pre-built UI kit for integrating chat functionality into React Native mobile apps.

* [Ultralytics LLM v0.2.0](https://github.com/ultralytics/llm) – Production-ready JavaScript chat client for embedding AI-powered conversational widgets in web applications.

* [Tinode Web v0.25.2](https://github.com/tinode/webapp) – Single-page web chat application built with React.

* [Manifest manifest@5.18.0](https://github.com/mnfst/manifest) – Backend framework enabling data, storage, logic, and admin panel definition in a single YAML file.

* [Chat SDK chat@4.15.0](https://github.com/vercel/chat) – Unified TypeScript SDK for building chat bots across Slack, Microsoft Teams, Google Chat, Discord, GitHub, and Linear.

* [Devzat release-b6d1e14](https://github.com/quackduck/devzat) – SSH-based server that opens a chat instead of a shell, allowing connections from any device.

* [DCTS - Direct Communication Through Sockets v1.5.2.0](https://github.com/hackthedev/dcts-shipping) – Self-hostable, modern chat platform with end-to-end encrypted DMs, decentralized server discovery, plugin support, and customizable themes.

* [VoceChat Web v0.9.69](https://github.com/Privoce/vocechat-web) – React and TypeScript web client with Redux Toolkit, PWA support, and Firebase notifications.

* [React Virtuoso @virtuoso.dev/gurx@1...](https://github.com/petyosi/react-virtuoso) – The most complete virtual list/table/grid component for React with support for variable sized items.

* [tinode-sdk v0.25.2](https://github.com/tinode/tinode-js) – JavaScript SDK implementing a real-time messaging client protocol for browser-based applications.

* [WuKongIM v2.2.4-20260313](https://github.com/WuKongIM/WuKongIM) – High-performance universal communication service supporting instant messaging, notifications, IoT, audio/video signaling, live streaming comments, customer service, and distributed messaging.