Showing 170 open source projects for "instant messaging source code"

View related business solutions
  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
    Start Free
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Try Free
  • 1
    Fluxer

    Fluxer

    A free and open source instant messaging and VoIP platform

    Fluxer is a free and open-source instant messaging and VoIP platform designed to provide communities, friend groups, and teams with a self-hostable communication alternative. The project combines real-time chat, voice calling, and community features into a unified system that can be deployed independently rather than relying on centralized proprietary services.
    Downloads: 152 This Week
    Last Update:
    See Project
  • 2
    Tox

    Tox

    A New Kind of Instant Messaging

    ...Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.
    Downloads: 100 This Week
    Last Update:
    See Project
  • 3
    CIM

    CIM

    Distributed instant messaging system for developers

    CIM(CROSS-IM)A developer-oriented system, provides components to help developers build their own distributed instant messaging system that can be a horizontal scaling IM. CIM is an IM Instant messaging system, can be applied as a message push middleware. IOT Message transparent transmission middleware in massive connection scenarios. Provides flexible horizontal expansion and contraction according to the actual situation. The server automatically removes offline clients. Client reconnects...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Toxic

    Toxic

    A Tox-based instant messaging and video chat client

    Toxic is a Tox protocol-based command-line messenger for Linux, offering fully encrypted, decentralized, and serverless instant messaging. It includes features such as text messaging, file transfer, and audio calls—all without requiring user accounts or central servers. Toxic is designed for power users who prefer a minimalist interface, operating entirely within a terminal while delivering strong privacy through the Tox peer-to-peer protocol. It’s lightweight, fast, and ideal for use in...
    Downloads: 18 This Week
    Last Update:
    See Project
  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Try Free
  • 5
    MobileIMSDK

    MobileIMSDK

    The original full-platform IM communication layer framework

    MobileIMSDK is a lightweight cross-platform instant messaging communication framework designed for real-time chat and push-style communication. It supports multiple client platforms, including iOS, Android, Java, HTML5, mini programs, UniApp, and HarmonyOS Next, with a Netty-based server side. The framework is notable for supporting UDP, TCP, and WebSocket protocols in the same open-source IM communication layer.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    SimpleX

    SimpleX

    The first messaging platform operating without user identifiers

    Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy. The video shows how you connect to your friend via their 1-time QR-code, in person or via a video link. You can also connect by sharing an invitation link. Temporary anonymous pairwise identifiers SimpleX uses temporary anonymous pairwise addresses and credentials for each user contact or group member. It allows to deliver messages...
    Downloads: 45 This Week
    Last Update:
    See Project
  • 7
    Session Desktop

    Session Desktop

    A Decentralized, Onion Routed, Private Messenger

    Session Desktop is an open-source, privacy-focused messaging application that brings secure, decentralized communication to desktop environments such as Windows, macOS, and Linux, providing users with encrypted text, media, and group chats without requiring phone numbers or email addresses. Built on the Session protocol and the Loki network, it routes messages through a distributed onion-routing network that hides metadata like sender, timing, and location so that conversations are resistant...
    Downloads: 38 This Week
    Last Update:
    See Project
  • 8
    Claude-to-IM Skill

    Claude-to-IM Skill

    Bridge Claude Code / Codex to IM platforms

    Claude-to-IM Skill is a lightweight bridge that connects Claude Code or Codex sessions to instant messaging platforms. It runs a Node.js background daemon that forwards messages from chat apps to an AI coding agent. Responses, tool requests, permission prompts, and streaming previews are sent back into the same chat interface. The project supports Telegram, Discord, Feishu/Lark, QQ, and WeChat, making remote coding-agent access possible from common communication tools. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Tailchat

    Tailchat

    Next generation noIM application in your own workspace

    Tailchat is an open-source instant messaging application designed as a modern workspace communication platform. It is built with React and TypeScript on the front end and uses a back-end microservice architecture for scalability. The project positions itself as more than a Slack, Discord, or Rocket.Chat alternative by emphasizing custom scenarios through plugins.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

    Move workloads across hypervisors and clouds with no vendor lock-in. Try VDP free today.

    Try Veeam Data Platform today. Experience the unified platform that's secure by design, portable by default, and proven to recover clean, fast, and anywhere.
    Try Now
  • 10
    nexu

    nexu

    The simplest desktop client for OpenClaw

    nexu is an open-source desktop client that connects AI agents to messaging platforms such as WeChat, Feishu, Slack, and Discord. It is built around OpenClaw and is designed to make agent access available directly inside the chat apps people already use. The project emphasizes a simple graphical setup, double-click installation, built-in skills, multi-model support, and bring-your-own-key configuration.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Pidgin IM

    Pidgin IM

    A universal instant messaging (IM) program

    See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and...
    Leader badge
    Downloads: 8,319 This Week
    Last Update:
    See Project
  • 12
    whatsapp-web.js

    whatsapp-web.js

    WhatsApp library for NodeJS that connects through the browser app

    A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app. Programmatically control WhatsApp whether you're running user or business accounts. It uses Puppeteer to run a real instance of Whatsapp Web to avoid getting blocked. Programmatically control WhatsApp whether you're running user or business accounts. Whatsapp-web.js connects to an official version of WhatsApp Web under the hood, reducing ban risks. The object-oriented approach makes it easy to get...
    Downloads: 4 This Week
    Last Update:
    See Project
  • 13
    Caprine

    Caprine

    Elegant Facebook Messenger desktop app

    Caprine is an unofficial and privacy-focused Facebook Messenger app with many useful features. Caprine is feature complete. However, we welcome contributions for improvements and bug fixes. Dark theme, Vibrant theme, privacy-focused, keyboard shortcuts, menu bar mode, work chat support, code blocks, touch bar support, and custom styles. macOS 10.10+, Linux, and Windows 7+ are supported (64-bit only). For taskbar notification badges to work on Windows 10, you'll need to enable them in Taskbar...
    Downloads: 9 This Week
    Last Update:
    See Project
  • 14
    Realtime Chat Application

    Realtime Chat Application

    Build and deploy a real time chat application

    This full-stack tutorial project shows how to build and deploy a real-time chat app using React on the client and Node/Express with Socket.io on the server. It covers the mechanics of establishing WebSocket connections, broadcasting and receiving messages, and maintaining active user rooms. The repository includes scripts and instructions to spin up both client and server quickly so you can experiment locally. It illustrates common patterns like event-driven messaging, joining/leaving rooms,...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    BeeBEEP (Free Office Messenger)

    BeeBEEP (Free Office Messenger)

    You can message and share files inside your intranet without a server.

    BeeBEEP is a free, open-source, peer-to-peer (P2P) desktop LAN chat and office messenger built with end-to-end encryption (Rijndael Algorithm, AES). Designed for local area networks, this free cross-platform messaging app enables instant messaging, group chat, and secure file sharing across your office, home, or intranet—completely serverless and offline. Whether you need a private LAN chat application for your team or a secure office communicator over VPN, BeeBEEP operates without central servers or cloud dependencies. ...
    Leader badge
    Downloads: 2,212 This Week
    Last Update:
    See Project
  • 16
    gSOAP Toolkit

    gSOAP Toolkit

    Development toolkit for Web Services and XML data bindings for C & C++

    The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming,...
    Leader badge
    Downloads: 392 This Week
    Last Update:
    See Project
  • 17
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ●...
    Leader badge
    Downloads: 13 This Week
    Last Update:
    See Project
  • 18
    rabbitim

    rabbitim

    rabbit instant messaging

    玉兔即时通信。开源的跨平台的的即时通信系统。包括文本、音视频、白板、远程控制
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    BetterDiscordPanel

    BetterDiscordPanel

    Discord Messaging Panel that allows you to message inside of a bot

    ...The panel also has a light and dark theme to suit your needs! BetterDiscordPanel does not run on any servers and can be self-hosted. All bot details are stored locally and is completely secure. BetterDiscordPanel is open source on GitHub so you can see all the code behind the project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Botkit

    Botkit

    Tool for building chat bots, apps and custom integrations

    An open source developer tool for building chat bots, apps and custom integrations for major messaging platforms. Part of the Microsoft Bot Framework. We love bots, and want to make them easy and fun to build! Include Botkit into your Node application and boot up a controller that will define your bot's behaviors. In this case, we're setting up a bot to use with the Bot Framework Emulator. Tell the bot to listen for users saying "hello," and use `bot.reply` to send an immediate response....
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    tiledesk

    tiledesk

    The no-code platform to automate conversations

    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Wechaty

    Wechaty

    Conversational RPA SDK for chatbot makers

    ...Wechaty support lots of popular instant messaging platforms. And you can write Wechaty in almost all popular programming languages.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    BotMan

    BotMan

    A framework agnostic PHP library to build chat bots

    Write your chatbot logic once and connect it to one of the available messaging services, including Amazon Alexa, Facebook Messenger, Slack, Telegram or even your own Website. BotMan is framework agnostic, which means you can use it in your existing codebase, whatever framework you might use. Starting a new chatbot project? BotMan Studio is a Laravel 5.5 boiler project to get you started in no time! BotMan is all about having an expressive, yet powerful syntax that allows you to focus on the...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Lanslim (Local Area Network Server Less Instant Messaging) does exactly what his name says it does and much more. It enables people to talk with jobmates thanks to private chatroom with many features.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    a jabber (instant messaging) client running atop emacs.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next