Official source code for the Telegram iOS messaging app, with build instructions for compiling it in Xcode.
Official command-line tool for Lark/Feishu covering Messenger, Docs, Base, Sheets, Calendar, Mail, Tasks and Meetings, usable by humans and AI agents.
Telegram Desktop messaging app
DeepSeek Harness based personal agent, a self-hosted AI teammate that remembers you, messenger gateway and TUI with ultrafast
A private messenger for Android.
IM Chat OpenClaw
Dockerized Signal Messenger REST API
DNS-based feed reader and lite messenger for environments where only DNS queries work. Read Telegram channels and public X accounts, and exchange end-to-end-encrypted messages with other users — all over DNS.
Personal AI agents.
A private messenger for iOS.
signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.
IM Chat, High-performance, scalable, self-hosted instant messaging server in Go — private chat, groups, chatrooms, WebSocket and REST APIs.
The most beautiful SMS messenger for Android - Revived
🌌 Your Self-hosted Comment System. | 自托管评论系统
Instagram's CLI and TUI client -- The ultimate weapon against brainrot
Мод на мессенджер MAX, сокращающий сетевую активность оригинала
Monal for XMPP (iOS and macOS)
Morphe patches for Facebook Messenger. Privacy switches and fewer promotions.
Alpha Private Messenger Over Tor
Official Chatway Live Chat MCP server. Connect ChatGPT, Claude, and other AI agents to manage customer support conversations. Chatway offers an AI chatbot, website live chat, WhatsApp, Messenger, Instagram integrations, team inboxes, automation, and iOS & Android mobile apps.
A private messenger for Windows, macOS, and Linux.
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
A community-driven replacement for JSQMessagesViewController
The cutest instant messenger in the [matrix]
Android Matrix messenger application using the Matrix Rust Sdk and Jetpack Compose
Laravel’s #1 real-time chat package. Direct messages, groups, voice notes, and much more, with a full messenger UI — plus a headless API. Install in one command.
Discord Messenger is a free Discord-compatible messaging client that works on 30 years of Windows versions.
Live Helper Chat - live support for your website. Featuring web and mobile apps, Voice & Video & ScreenShare. Supports Telegram, Twilio (whatsapp), Facebook messenger including building a bot.
Your all-in-one tweak for WhatsApp Messenger!
golang im server
Decentralized private messenger with chat-shared tools and games for Android
Messenger Platform samples for sending and receiving messages. Walk through the Get Started with this code. https://developers.facebook.com/docs/messenger-platform/quickstart
Decentralized private messenger with chat-shared tools and games for Desktop
An easy and quick way of managing SMS and MMS messages without ads.
Ncurses based XMPP client
Signal Messenger client for terminal
一款适用于以APP病毒分析、APP漏洞挖掘、APP开发、HW行动/红队/渗透测试团队为场景的移动端(Android、iOS、鸿蒙)辅助分析工具
Wire for Web
Helps applications send and receive messages to/from other applications or via message queues
µTox the lightest and fluffiest Tox client
The Threema Web application.
ChatLayout is an alternative solution to MessageKit. It uses custom UICollectionViewLayout to provide you full control over the presentation as well as all the tools available in UICollectionView. It supports dynamic cells and supplementary view sizes.
Threema App for Android.
Visually build a full featured chat bot for Telegram, Facebook Messenger, Whatsapp and Slack with Node-RED. Almost no coding skills required.
Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧
Session Android - A Decentralized, Onion Routed, Private Messenger
ADAMANT Decentralized Messenger and Crypto Wallet. Progressive Web Application (PWA) for Web, Tor, Android, macOS, Windows, and Linux.
DCTS is an ambitious project with the goal to offer absolute independence through software with a no-bullshit mindset completely for free and with a heavy focus on self-hosting, decentralization and ease of use.
Session Desktop - A Decentralized, Onion Routed, Private Messenger
ts-app, that draws piechart from results and sends it with link to build to messenger
Parsers and visualizations for chats
SDK monorepo for the Ethora chat / messaging platform. (1) Pick an SDK for your frontend stack. (2) Integrate manually or with ethora-setup. (3) Optionally configure app settings, deploy AI agents etc. Server: ethora.com cloud (free), self-hosted (AWS, Docker, Helm, Cloudron) or a managed dedicated server with SLA. All options: ethora.com/get
Symfony Doctrine Messenger Bridge
📱iOS private messenger, crypto wallet and light node to Mixin Network
🧱 Flutter plugins used in Mixin Messenger.
📱 Android private messenger, crypto wallet and light node to Mixin Network
A local, multi-agent workspace designed like a messenger-style app. You can add custom teammates and chat with them individually, or create group chats and choose exactly which teammates to include. The whole experience feels like a familiar messaging app—but with much more powerful multi-agent collaboration capabilities.
An open-source team messenger for groups of up to 30, with spaces, threads, files and voice notes. Built with Next.js and PostgreSQL, deployed on Tofu.
DM without looking like you're DMing — a discreet Agent CLI-style TUI messenger.