Showing 221 open source projects for "chat app"

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  • 1
    Rocket.Chat Desktop App

    Rocket.Chat Desktop App

    OSX, Windows, and Linux Desktop Clients for Rocket.Chat

    ... and improved business outcomes. Create custom messaging experiences within your app or website by integrating and white labeling Rocket.Chat components and enterprise features. Extend and customize your workspace with custom apps, open APIs, powerful plugins, and webhooks. Own your conversations. Choose from self-hosted, air-gapped, or secure cloud deployment options that meet your security and compliance needs.
    Downloads: 19 This Week
    Last Update:
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  • 2
    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: 5 This Week
    Last Update:
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  • 3
    Rocket.Chat Mobile

    Rocket.Chat Mobile

    Rocket.Chat mobile clients

    ... irrespective of how they contact you. Ensure long-term relationships and improved business outcomes. Create custom messaging experiences within your app or website by integrating and white labeling Rocket.Chat components and enterprise features. Extend and customize your workspace with custom apps, open APIs, powerful plugins and webhooks.
    Downloads: 0 This Week
    Last Update:
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  • 4
    Flutter Chat UI

    Flutter Chat UI

    Actively maintained, community-driven chat UI implementation

    Create the in-app chat experience. Actively maintained community-driven chat UI implementation for React Native and Flutter with an optional Firebase BaaS. Flyer Chat is a platform for creating in-app chat experiences using Flutter or React Native. This repository contains chat UI implementation for Flutter. We offer no paid plugins and strive to create an easy-to-use, almost drop-in chat experience for any application. Contributions are more than welcome! Please read our Contributing Guide...
    Downloads: 0 This Week
    Last Update:
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  • 5
    Laravel Chat

    Laravel Chat

    A Laravel chat package. You can use this package to create a chat app

    Create a Chat application for your multiple Models.
    Downloads: 0 This Week
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  • 6
    WhatsApp clone app

    WhatsApp clone app

    WhatsApp clone project demonstrates modern Android development

    This is a WhatsApp clone app built with Stream Chat SDK for Compose to implement messaging systems and Stream Video SDK for Compose using Jetpack Compose.
    Downloads: 15 This Week
    Last Update:
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  • 7
    Official Android SDK for Stream Chat

    Official Android SDK for Stream Chat

    Android Chat SDK ➜ Stream Chat API. UI component libraries for chat

    This is the official Android SDK for Stream Chat, a service for building chat and messaging applications. This library includes both a low-level chat SDK and a set of reusable UI components. Most users start with the UI components and fall back to the lower-level API when they want to customize things. We're proud to say that we're the first Android Chat SDK that supports Jetpack Compose! We released our Compose UI Components one day after the official Jetpack Compose 1.0 release and our team...
    Downloads: 5 This Week
    Last Update:
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  • 8
    ADAMANT Messenger Progressive Web App

    ADAMANT Messenger Progressive Web App

    ADAMANT decentralized Messenger, progressive web application

    ... of using the messenger. Privacy is the main concept of ADAMANT, neither phone numbers nor emails are required. Apps have no access to the contact list or geotags, IPs are hidden from chatters and paranoids can use Tor app. All the messages are encrypted with the Diffie-Hellman Curve25519, Salsa20, Poly1305 algorithms and signed by SHA-256 + Ed25519 EdDSA. Private keys are never transferred to the network.
    Downloads: 1 This Week
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  • 9
    Cipher Chat App
    Cipher App is a streamlined, privacy-centric chat application developed independently by Irene Dutta, an indie software developer focused on ethical and minimalist technology. This lightweight solution enables seamless, anonymous communication without the need for email or phone number authentication. Built from the ground up with user privacy as its core principle, Cipher App offers a distraction-free environment for genuine, anonymous interactions — ideal for communities, discussions...
    Downloads: 0 This Week
    Last Update:
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  • 10
    Chat AI Desktop App

    Chat AI Desktop App

    Unofficial ChatGPT desktop app for Mac & Windows menubar using Tauri

    Unofficial open source Chat AI desktop app for Mac, Windows, and Linux menubar using tauri & rust.
    Downloads: 2 This Week
    Last Update:
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  • 11
    ArmCord

    ArmCord

    ArmCord is a custom client designed to enhance your Discord experience

    ArmCord is a custom client designed to enhance your Discord experience while keeping everything lightweight. ArmCord is built as a standalone client and doesn't rely on the original Discord client in any way. Enjoy Vencord, Shelter and their many features, or have a more vanilla experience, it's your choice! ArmCord natively supports theming of the entire app, you can easily import BetterDiscord themes and manage them. ArmCord automatically blocks all of Discord's trackers; even without any...
    Downloads: 101 This Week
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  • 12
    Telegram Desktop

    Telegram Desktop

    Telegram Desktop messaging app

    Telegram Desktop is the official C++/Qt-based cross-platform client for Telegram, implementing the full Telegram API and MTProto protocol for secure messaging, voice/video calls, file sharing, and chat features. It provides message sync across devices, supports themes, stickers, bots, and is actively maintained.
    Downloads: 47 This Week
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  • 13
    ScholArxiv

    ScholArxiv

    ScholArxiv is an open-source aesthetic and minimal app

    ScholArxiv is an open-source, aesthetic and minimal app that allows users to search, read, bookmark, share, download, and view summaries of academic papers from the arXiv repository. Now you can configure your Gemini API key and converse with AI to expand and dive deeper into the papers you're exploring.
    Downloads: 38 This Week
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  • 14
    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: 26 This Week
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  • 15
    Dyad

    Dyad

    Free, local, open-source AI app builder

    Dyad is a free, local, open source AI app builder that lets you go from idea to full-stack application entirely on your machine, no coding required, just chat with AI. You can build unlimited apps with real-time previews, instant undo, and responsive, frictionless workflows. Deep Supabase integration means you can create UI and backend logic in one cohesive environment, while the model-agnostic architecture lets you connect to any AI, whether cloud-based (Gemini 2.5 Pro, GPT-4.1, Claude Sonnet...
    Downloads: 35 This Week
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  • 16
    DeepChat

    DeepChat

    A smart assistant that connects powerful AI to your personal world

    DeepChat is an open‑source, multi‑model AI chat platform featuring a unified interface for cloud and local language models, enriched with tool‑calling capabilities, search enhancements, privacy protection, and extensive model support. DeepChat is a powerful open-source AI chat platform providing a unified interface for interacting with various large language models. Whether you're using cloud APIs like OpenAI, Gemini, Anthropic, or locally deployed Ollama models, DeepChat delivers a smooth user...
    Downloads: 25 This Week
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  • 17
    Element

    Element

    A glossy Matrix collaboration client for the web

    Element, formerly known as Vector and Riot, is a glossy Matrix collaboration client built using the Matrix React SDK. It offers teams, friends and organizations a secure, all in one chat app that is protected from pesky ads and data mining methods. All communications are done through the open global Matrix network, secured with end-to-end encryption. Element gives you all the services you need from a chat app: group chat, video calls, file sharing and more-- all done securely and in total...
    Downloads: 13 This Week
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  • 18
    RisuAI

    RisuAI

    Make your own story. User-friendly software for LLM roleplaying

    RisuAI (or Risu) is a cross-platform AI roleplay chat application—available as both a desktop and web solution—offering creative story-building and character interaction experiences with support for multiple APIs, in-chat assets, regex capabilities, and more. Supports OpenAI, Claude, Gemini, DeepInfra, Ooba, OpenRouter... and More. Display the image of the current character, according to his/her expressions. Modify model's output by regex, to make a custom GUI and others.
    Downloads: 12 This Week
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  • 19
    Element Android

    Element Android

    A glossy Matrix collaboration client for Android

    Element Android is a glossy Matrix collaboration client for Android, based on a new Android SDK fully written in Kotlin. A total rewrite of Riot-Android, Element is an all-in-one secure chat app made possible through the open global Matrix network. It is a messenger that allows users to talk to anyone regardless of their app, while providing unparalleled privacy and security. It protects conversations from data-mining and ads with proper end-to-end encryption, so you can feel totally secure...
    Downloads: 10 This Week
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  • 20
    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 running...
    Downloads: 14 This Week
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  • 21
    Dify

    Dify

    One API for plugins and datasets, one interface for prompt engineering

    ...-of-the-box web sites supporting form mode and chat conversation mode A single API encompassing plugin capabilities, context enhancement, and more, saving you backend coding effort Visual data analysis, log review, and annotation for applications
    Downloads: 18 This Week
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  • 22
    StartOS

    StartOS

    Linux server OS optimized for self-hosting

    StartOS is a sovereign, self-hosted operating system built by Start9 Labs to empower individuals with digital independence. Designed to run on personal servers, it provides a privacy-first interface for installing, managing, and running decentralized applications without needing technical expertise. StartOS includes services like Bitcoin nodes, messaging platforms, file hosting, and password managers, all running locally and without third-party control. With a user-friendly UI and strong...
    Downloads: 17 This Week
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  • 23
    Facebook SDK for Android

    Facebook SDK for Android

    Used to integrate Android apps with Facebook Platform

    This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website...
    Downloads: 6 This Week
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    See Project
  • 24
    Signal iOS

    Signal iOS

    A private messenger for iOS

    Signal is a free, open source, messaging app for simple private communication with friends. Say "hello" to a different way of chatting: Signal is all about privacy, but with all the features you expect from a chat app. State-of-the-art end-to-end encryption (backed by Signal's open source protocol) keeps your chats safe. Neither we can read your messages or listen to your calls, nor anyone else. Privacy is not an optional mode, it is how Signal works. In all your messages, all your calls...
    Downloads: 10 This Week
    Last Update:
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  • 25
    Telegram SMS

    Telegram SMS

    An SMS-forwarding Robot Running on Your Android Device

    With the power of Telegram SMS, your multi-phone life is much easier than before. Receiving and sending SMS, relaying APP notifications, monitoring battery status. All stuff can be done with a single Telegram bot. You can use the bot in both private chat and group chat, in case you have more than 2 Android phones, or sharing the bot with other people. Telegram SMS connects with Telegram's bot API server directly, no 3rd-party services involved.
    Downloads: 10 This Week
    Last Update:
    See Project
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