#instant-messaging (30 Repositories)
Ranked open-source repositories tagged with #instant-messaging, scored by pull request acceptance likelihood and maintainer engagement velocity.
35.6%
23.0h
30 repositories tagged #instant-messaging
wireapp/wire-ios
📱 Wire for iOS (iPhone and iPad)
Mininglamp-OSS/octo-server
🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & WebSocket APIs, Lobster (AI agent) orchestration, and WuKongIM real-time messaging control plane.
chatmail/core
Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧
jitsi/jitsi
Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
tinode/chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
aozorae/Edgechat
A modern, self-hosted team chat built on Cloudflare — realtime messaging, Telegram bridge, encrypted messages & files, and WebMCP. | 完全运行于 Cloudflare Worker的现代聊天系统：实时通信、Telegram 双向桥接、消息与文件加密，以及 WebMCP。
spacebarchat/server
Spacebar server - A reimplementation of the Discord.com backend, built with Typescript and love
movim/movim
Movim - Decentralized social platform
fonoster/routr
⚡ The future of programmable SIP servers.
tinode/webapp
Tinode web chat using React
mk6i/open-oscar-server
Self-hostable instant messaging server compatible with classic AIM and ICQ clients written in golang. (Independently developed, not affiliated with or endorsed by AOL)
tinode/tindroid
Tinode chat client application for Android
monal-im/Monal
Monal for XMPP (iOS and macOS)
miranda-ng/miranda-ng
Miranda NG: Next Generation of Miranda IM
TencentCloud/TIMSDK
Free Chat SDK (IM SDK) — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app messaging with chat API, UIKit & send message. Supports Android, iOS, Flutter, Web, React Native, uni-app, HarmonyOS & more.
GoBelieveIO/im_service
golang im server
bitlbee/bitlbee
An IRC to other chat networks gateway :bee:
TencentCloud/chat-uikit-vue
Free Chat UIKit for React — 1,000 MAU/month free forever with push notifications & no concurrency limits. Build in-app chat UI in minutes with pre-built Vue components: conversation list, large community, contact, group management.
tinode/ios
Tinodios: Tinode Messaging Client for iOS
tox-rs/tox
toxcore implementation in Rust
dengzii/glide-im
glide instant-messaging service
juggleim/imsdk-ios
JuggleIM SDK for iOS — IM Chat, private chat, groups, chatrooms, media messages, read receipts, multi-device sync, and push notifications.
chat-sdk/chat-sdk-ios
Chat SDK iOS - Open Source Mobile Messenger
huangfangyi/YiChat
YiChat-基于tigase的独立IM系统
juggleim/imsdk-android
JuggleIM SDK for Android — IM Chat, private chat, groups, chatrooms, media messages, read receipts, multi-device sync, and push notifications.
starrtc/starrtc-server
免费IM系统，IM即时通信消息系统(含一对一文字聊天，群聊，聊天室)，免费一对一voip实时通话，录屏，webrtc服务端，免费直播连麦，互动直播，视频直播，RTSP拉流，RTMP推流，语音对讲，免费在线会议，视频会议等服务端程序，支持物联网平台，✨万水千山总是情，来个star行不行✨
turms-im/turms
🕊️ The world's most advanced open source instant messaging engine for 100K~10M concurrent users https://turms-im.github.io/docs
cabal-club/cabal-desktop
Desktop client for Cabal, the p2p/decentralized/local-first chat platform.
chat-sdk/chat-sdk-android
Chat SDK Android - Open Source Mobile Messenger