Whatsapp API GitHub Repositories (2026) · Open Source Tools

Open-source AI sales OS — self-hosted CRM with native AI agents + WhatsApp (WAHA). Open alternative to Kommo, Octadesk & Intercom for any business that sells by chat. MCP-ready, multi-tenant, LGPD.

GOWA - WhatsApp REST API with support for UI, Multi Account, Webhooks, and MCP, and Chatwoot. Built with Golang for efficient memory use.

WhatsApp REST API gateway in Rust. Multi-device and the official WhatsApp Cloud API behind one API: 230+ endpoints for messaging, templates, Flows, commerce, payments, calls, groups, webhooks and fleet ops. Multi-session, multi-DB, single binary.

Wappy: the open-source AI agent SDK for WhatsApp. Bring your own model, your own number, your own data. Local-first, no forced cloud, no vendor lock-in.

Conecte seu WhatsApp aos seus agentes de IA por MCP — gateway em Go self-hosted, com painel de controle, índice de mensagens e instalação guiada passo a passo, fácil o bastante para quem não é técnico.

Wppconnect Server is a ready-to-use API, just download, install, and start using, simple as that.

Browser-side WhatsApp Web automation library. Exposes the WPP JavaScript API for chats, messages, contacts, groups, media and events; powers WPPConnect integrations and extensions.

A high-performance Python SDK for building real-time WhatsApp applications with a Go-powered core, event-driven APIs, and production-ready reliability.

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A lightweight, efficient Ruby gem for interacting with Whatsapp Cloud API.

A lightweight, dependency-minimal Baileys v7 fork with newsletter media upload fixes, interactive messages, albums, and extended message type support.

A typed, persistent WhatsApp Web client for pure PHP on PAM — no Node.js or Puppeteer.