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WhatsApp is a cross-platform centralized instant messaging and voice-over-IP service owned by Meta Platforms, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. The service requires a cellular mobile telephone number to sign up.
WhatsApp’s client application runs on mobile devices but is also accessible from desktop computers, as long as the user’s mobile device remains connected to the Internet while they use the desktop web app.
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Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬
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Jun 10, 2026 - Ruby
Conversational RPA SDK for Chatbot Makers. Join our Discord: https://discord.gg/7q8NBZbQzt
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Dec 21, 2025 - TypeScript
A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app
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Jun 7, 2026 - JavaScript
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
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Apr 25, 2026 - Go
A simple WhatsApp bot to manage groups
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May 11, 2026 - JavaScript
bridge between mattermost, IRC, gitter, xmpp, slack, discord, telegram, rocketchat, twitch, ssh-chat, zulip, whatsapp, keybase, matrix, microsoft teams, nextcloud, mumble, vk and more with REST API (mattermost not required!)
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Dec 12, 2024 - Go
WAHA - WhatsApp HTTP API (REST API) that you can configure in a click! 3 engines: WEBJS (browser based), NOWEB (websocket nodejs), GOWS (websocket go)
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May 26, 2026 - TypeScript
Venom is a high-performance system developed with JavaScript to create a bot for WhatsApp, support for creating any interaction, such as customer service, media sending, sentence recognition based on artificial intelligence and all types of design architecture for WhatsApp.
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Jun 10, 2026 - TypeScript
Free and Open Source messaging and emailing app that combines common web applications into one.
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Apr 21, 2022 - JavaScript
Go library for the WhatsApp web multidevice API
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Jun 9, 2026 - Go
Reverse engineering WhatsApp Web.
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Apr 22, 2024 - JavaScript
Your personal assistant, on WhatsApp! The most user friendly userbot for the platform!
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Jun 1, 2026 - TypeScript
A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)
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Dec 31, 2025 - TypeScript
GOWA - WhatsApp REST API with support for UI, Multi Account, Webhooks, and MCP, and Chatwoot. Built with Golang for efficient memory use.
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Jun 9, 2026 - Go
🦞 OpenClaw (Clawdbot/Moltbot) 汉化版 - 开源个人 AI 助手中文版 | Claude/ChatGPT LLM 接入 | WhatsApp/Telegram/Discord 多平台 | 每小时自动同步 | CLI + Dashboard 全中文 | 全流程搭建教程，以及排错指南！
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Jun 11, 2026 - JavaScript