* [Converse v13.0.0](https://github.com/conversejs/converse.js) – Modern, feature-rich client-side XMPP chat app that runs in a web browser.

* [Rocket.Chat Mobile 4.73.0](https://github.com/RocketChat/Rocket.Chat.ReactNative) – Mobile client for Rocket.Chat supporting iOS and Android platforms.

* [CometChat UI Kit for React v6.5.0](https://github.com/cometchat/cometchat-uikit-react) – Pre-built user interface kit for integrating a chat experience into React applications.

* [Official React Native SDK for Stream Chat v9.3.0](https://github.com/GetStream/stream-chat-react-native) – React Native and Expo components for building chat applications with Stream Chat.

* [stream-chat-react v14.3.0](https://github.com/GetStream/stream-chat-react) – React components library for building various chat applications using Stream Chat.

* [Rocket.Chat 7.10.12](https://github.com/RocketChat/Rocket.Chat) – Customizable communications platform for secure team collaboration and customer interactions.

* [The Lounge v4.5.0](https://github.com/thelounge/thelounge) – Modern, responsive web IRC client with always-connected, cross-platform and synchronized multi-device experience.

* [WPPConnect v2.2.0](https://github.com/wppconnect-team/wppconnect) – Library for exporting functions from WhatsApp Web to Node.js for various interactions.

* [Ganymede v4.17.0](https://github.com/Zibbp/ganymede) – Twitch VOD and live stream archiving platform with real-time and rendered chat playback.

* [HAVEN v3.23.0](https://github.com/ancsemi/Haven) – Self-hosted private chat server that runs on your machine, offering voice, channels, invite codes, and file sharing.

* [Nodyx v2.7.0](https://github.com/Pokled/nodyx) – Self-hosted community platform combining forum, chat, voice, P2P, collaborative canvas, and homepage builder in a single install.

* [Keybase v6.6.3](https://github.com/keybase/client) – Client applications for macOS, Windows, Linux, iOS, and Android, actively developed in this repository.

* [WeeChat v4.9.1](https://github.com/weechat/weechat) – Fast and lightweight chat client designed for multiple operating systems with extensive customization options.

* [Obot v0.22.0](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.

* [UI Components for Rustic AI v2.0.0](https://github.com/rustic-ai/rustic-ui-components) – Comprehensive collection of reusable components for building interactive multimodal chat interfaces.

* [PocketRisu v1.6.0](https://github.com/PocketRisu/PocketRisu) – Self-hosted AI roleplay chat platform for PC, tablet, and smartphone with multiple model providers and unified SQLite storage.

* [marchat v1.1.0](https://github.com/Cod-e-Codes/marchat) – Lightweight terminal chat with real-time WebSocket messaging, optional end-to-end encryption, plugin support, file sharing, and admin controls.

* [Manifest manifest@6.3.0](https://github.com/mnfst/manifest) – Backend framework enabling data, storage, logic, and admin panel definition in a single YAML file.

* [Gifted Chat 3.3.3](https://github.com/FaridSafi/react-native-gifted-chat) – Complete chat UI for React Native and Web with customizable components and features.

* [Onetime Secret v0.25.7](https://github.com/onetimesecret/onetimesecret) – Securely share sensitive information through a single-use link that can be viewed only once.

* [CometChat React Native UI Kit v5.3.6](https://github.com/cometchat/cometchat-uikit-react-native) – Pre-built UI kit for integrating chat functionality into React Native mobile apps.

* [Unify Chat Provider v6.9.3](https://github.com/smallmain/vscode-unify-chat-provider) – Integrates multiple LLM APIs into VS Code's GitHub Copilot Chat, enabling unified configuration and access to many free models.

* [Arkloop v26.5.15](https://github.com/qqqqqf-q/Arkloop) – Design-focused AI agent platform offering multi-model routing, sandboxed execution, persistent memory, and a ready-to-run desktop app.

* [WhatsApp-Api-NodeJs v1.3.7](https://github.com/code-chat-br/whatsapp-api) – RESTful API service implementing WhatsApp functions using WhiskeySockets for multiservice chats and bots.

* [WAHA TUI v1.6.2](https://github.com/muhammedaksam/waha-tui) – Terminal-based WhatsApp client using WAHA, offering session management, chat browsing, and real-time messaging via an OpenTUI interface.

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

* [DCTS - Direct Communication Through Sockets v1.9.9.6](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.

* [Sharkord v0.0.22](https://github.com/Sharkord/sharkord) – Lightweight self-hosted real-time communication platform providing voice, video, text, and file sharing with full data control.

* [Ultralytics LLM v0.2.10](https://github.com/ultralytics/llm) – Production-ready JavaScript chat client for embedding AI-powered conversational widgets in web applications.

* [VoceChat Web v0.9.79](https://github.com/Privoce/vocechat-web) – React and TypeScript web client with Redux Toolkit, PWA support, and Firebase notifications.

* [SAMA 0.36.2](https://github.com/SAMA-Communications/sama-server) – Chat server implementing a custom messaging protocol as an alternative to XMPP.

* [Devzat release-d0341b5](https://github.com/quackduck/devzat) – SSH-based server that opens a chat instead of a shell, allowing connections from any device.

* [Monadic Chat v1.0.0-beta.17](https://github.com/yohasebe/monadic-chat) – Locally hosted web application for creating and utilizing intelligent chatbots with advanced task execution capabilities.