appwrite / appwrite
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
appwrite / appwrite
nanocoai / nanoclaw
A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK
fluxerapp / fluxer
A free and open source instant messaging and VoIP chat app built for friends, groups, and communities.
berty / berty
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network
firebase / firebase-js-sdk
Firebase Javascript SDK
dittofeed / dittofeed
Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨
spacebarchat / server
Spacebar server - A reimplementation of the Discord.com backend, built with Typescript and love
pact-foundation / pact-js
JS version of Pact. Pact is a contract testing framework for HTTP APIs and non-HTTP asynchronous messaging systems.
firebase / firebase-admin-node
Firebase Admin Node.js SDK
fonoster / routr
⚡ The future of programmable SIP servers.
deltachat / deltachat-desktop
Decentralized private messenger with chat-shared tools and games for Desktop
Sharkord / sharkord
Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full control over their data.
Mininglamp-OSS / octo-web
Web & desktop (Electron) client for the OCTO open workplace — one React + TypeScript codebase shipping browser and PC surfaces, with first-class AI agent UX.
GetStream / stream-chat-react-native
💬 React-Native Chat SDK ➜ Stream Chat. Includes a tutorial on building your own chat app experience using React-Native, React-Navigation and Stream
line / line-bot-sdk-nodejs
LINE Messaging API SDK for Node.js
im4codes / imcodes
The IM for agents. Shared Agent Context & Memory, supervised execution, and cross-agent audit across AI providers.
cometchat / cometchat-uikit-react-native
Voice & Video Calling and Text Chat App for React Native
stomp-js / stompjs
Javascript and Typescript Stomp client for Web browsers and node.js apps
23blocks-OS / ai-maestro
AI Agent Orchestrator with Skills System - Give AI Agents superpowers: memory search, code graph queries, agent-to-agent messaging. Manage Claude Code, Codex, Grok Build or any AI Agent from one dashboard. Move Agents between computers and locations
frappe / raven
Simple, open source team messaging platform
line / line-bot-mcp-server
MCP server that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.
serversideup / webext-bridge
💬 Messaging in Web Extensions made easy. Batteries included.
Shudesu / line-harness-oss
L Harness — self-hosted LINE Official Account CRM: step messaging, broadcasts, forms and reservations, with MCP and TypeScript SDK. By Shudesu (野田修一).
Get-Concord-AI / concord-mcp
Live messaging for coding agents
abacusai / abacusai-bot
100% free, open-source personal agents for your messaging apps, tools, and services
Stellar-hush / hush
Open-source working beta for private email on Stellar: encrypted messages, sender-controlled inbox policies, optional postage, and verifiable delivery receipts.
Stellar-Kolo / kolo-backend
WhatsApp-first Stellar backend for Kolo: wallet operations, Stellar payments, Soroban savings groups, and queued community messaging.
ammarahm-ed / react-native-workers
Real threads for React Native. Web Worker–style API, backed by a separate Hermes runtime on its own thread — with structured-clone messaging, timers, shared memory, and full native-module access.
airisorg / tofu-chat
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.
guhyunwoo / oh-my-dm
DM without looking like you're DMing — a discreet Agent CLI-style TUI messenger.
PlutoKeating / dsh-lark-bot
DeepSeek Harness (dsh) 接入飞书/Lark bot，扫码即用：流式卡片、项目工作区、并行任务、多角色 Agent、跨会话通知、对话内模型/密钥管理与安全网守护（dsh 崩溃后飞书仍可自救）。A scan-to-connect bridge bot connecting DeepSeek Harness (dsh) into Feishu/Lark: streaming cards, workspaces, parallel tasks, multi-role agents, cross-session notify, in-chat model/key management, and a safety-net guardian.
NekroAI / nekro-nxt
NekroNXT：基于 DeepSeek Harness（DSH）的多平台群聊智能体系统｜A DSH-powered multi-platform group-chat agent system
F-loat / panerelay
Browser-authenticated Fetch and existing-browser Connect for AI agents — use Chrome or Edge login state with site adapters, agent-browser, Browser Use, and Playwright CLI.
agent-substrate / always-on-agent
Run always-on messaging agents on Agent Substrate. A multi-tenant gateway holds the channel connections while each conversation runs as a suspendable actor, so presence stays warm and cognition suspends to reclaim compute. Reference implementation built on OpenClaw.
leeguooooo / open-cross-session
Let Claude Code, Codex and Pi talk to each other: cross-session messaging that wakes AI agents on one machine or across your LAN (macOS/Linux/Windows). No server. 让 Claude Code、Codex 互相唤醒、互发消息。