Whatsapp 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.

ZapFast: a fast, native WhatsApp client in Rust and egui

whatRust — a lightweight, open-source WhatsApp Web desktop client built with Rust + Tauri. A low-RAM alternative to the official WhatsApp Desktop for Linux, Windows, and macOS.

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

Self-hosted notification infrastructure for product notifications. One notify() call handles email, SMS, push, etc, with preferences, quiet hours, retries, fallback, scheduling, workflows, and delivery logs built in.

WhatsApp CLI: sync, search, send

Whatsapp client written purely in Rust

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.

WaEnhancer X - An open-source Xposed/LSPosed module for WhatsApp & WhatsApp Business with privacy tools, anti-delete, view-once media, Meta AI removal, and UI customization.

A Matrix-WhatsApp puppeting bridge

Open Souce IM with AI powered live-chat, email, ticket support, omni-channel customer service，alternative to slack + zendesk/intercom/hubspot/ada/decagon/sierra

Terminal-based messaging client for Linux and macOS with Telegram, WhatsApp and Signal support

𖢺 Bienvenido(a) al repositorio oficial de Yuki-WaBot, un proyecto en constante desarrollo que ofrece múltiples funciones; si te parece interesante déjanos una estrellita.

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.

A very simple Ticket System based on WhatsApp messages, that allow multi-users in same WhatsApp account.

Go library for the WhatsApp web multidevice API

A dead simple Go library for sending notifications to various messaging services.

WhatsApp tools for Android

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