Showing 320 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

    Secure and compliant communications platform. We use communication platforms on a daily basis to collaborate with colleagues, other companies, customers, and communities. Most of them give you very little in terms of control and customizations; except Rocket.Chat. Bring together messages, projects, and tasks in one place and watch your team’s productivity rise to new heights. Engage in contextual interactions with customers irrespective of how they contact you. Ensure long-term relationships...
    Downloads: 7 This Week
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  • 2
    chat

    chat

    chat web app for teams, sass with user management and ratelimit

    chat is a team-oriented chat web application delivered as a SaaS-style system with built-in user management, rate limiting, and support for several major model providers. It is positioned as a collaborative chat platform rather than a single-user demo, which is reflected in its administrative structure, multi-user handling, and deployment-oriented documentation. The project supports OpenAI, Azure OpenAI, Claude, Gemini, and Ollama-hosted models, giving teams flexibility in how they connect...
    Downloads: 2 This Week
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  • 3
    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: 1 This Week
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  • 4
    Rocket.Chat Mobile

    Rocket.Chat Mobile

    Rocket.Chat mobile clients

    A secure and compliant collaboration platform. Own your data, customize anything, and integrate everything. We use communication platforms on a daily basis to collaborate with colleagues, other companies, customers and communities. Most of them give you very little in terms of control and customizations; except Rocket.Chat. Bring together messages, projects, and tasks into one place and watch your team’s productivity rise to new heights. Engage in contextual interactions with customers...
    Downloads: 23 This Week
    Last Update:
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  • 5
    Chat SDK

    Chat SDK

    A unified TypeScript SDK for building chat bots

    ...It also supports AI streaming patterns for LLM-powered assistants in different chat environments. A CLI can scaffold a minimal Next.js bot app with routes, configuration, dependencies, and environment examples. The SDK is especially useful for teams building cross-platform bots without rewriting the same interaction logic for every service.
    Downloads: 0 This Week
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  • 6
    Gemma Chat

    Gemma Chat

    Local AI chat + coding agent for Apple Silicon, powered by Gemma 4

    ...It emphasizes privacy and independence by avoiding cloud dependencies, allowing all interactions and data to remain local. The system integrates model selection and execution directly into the app, giving users control over performance and behavior. It is particularly aligned with the “vibe coding” approach, where users iteratively build and modify projects through conversational prompts. Overall, gemma-chat provides a streamlined, developer-focused environment for local AI experimentation and productivity.
    Downloads: 1 This Week
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  • 7
    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. ...
    Downloads: 0 This Week
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  • 8
    Lumo iPhone App

    Lumo iPhone App

    iOS application for Lumo

    Lumo iPhone App is the native iPhone and iPad client for Lumo, Proton’s privacy-centric AI assistant that allows users to ask questions, get summaries, generate content, and leverage AI help while keeping all conversations confidential and encrypted. Built with SwiftUI, the iOS app wraps a secure web-powered interface and communicates with the Lumo service in a way that ensures zero-access encryption, meaning even Proton cannot read or log user chats—only the device holder can decrypt them. ...
    Downloads: 0 This Week
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  • 9
    Coco AI App

    Coco AI App

    Search, Connect, Collaborate, Personal AI Search and Assistant

    Coco AI App is an open source unified AI search and collaboration client designed to centralize access to enterprise knowledge across multiple tools and platforms. The application connects services such as Google Workspace, Dropbox, GitHub, and internal knowledge bases into a single searchable interface. It also includes a team-aware generative AI assistant that can answer questions using organization-specific data, effectively acting as a private ChatGPT for workplace knowledge. Built with...
    Downloads: 4 This Week
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  • 10
    Jev Chat Jarvis

    Jev Chat Jarvis

    Conversational co-pilot installed on mobile phone

    ...Three suggested replies can then be ranked and inserted into the message field without being sent automatically. The app supports QQ and X direct messages, while OCR can provide fallback text recognition for apps such as Feishu. Local contacts, notes, and optional conversation history can provide additional context. Model endpoints are user-configurable, while screenshots used for OCR remain on the device.
    Downloads: 1 This Week
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  • 11
    Agent Chat UI

    Agent Chat UI

    Web app for interacting with any LangGraph agent (PY & TS) via a chat

    Agent Chat UI is an open-source web application that provides a graphical interface for interacting with AI agents built using LangGraph and related frameworks. The project is implemented as a modern Next.js application and allows users to chat with agent workflows running on remote or local LangGraph servers. Through a simple configuration process, developers can connect the interface to a deployed agent by specifying the server URL, assistant identifier, and authentication credentials....
    Downloads: 1 This Week
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  • 12
    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.
    Downloads: 0 This Week
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  • 13
    WeChatMsg

    WeChatMsg

    Project aimed at extracting, exporting, and analyzing chat records

    WeChatMsg repository hosts an open-source project aimed at extracting, exporting, and analyzing chat records from the WeChat messaging platform. It provides tools that read local WeChat database files and allow users to convert chat data into readable formats such as HTML, Word, and CSV, making it possible to inspect conversations outside the mobile app environment. Beyond simple export, the project includes mechanisms for analyzing chat histories and generating annual reports or visual summaries about messaging trends, interaction patterns, and more. ...
    Downloads: 129 This Week
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  • 14
    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: 509 This Week
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  • 15
    Lumo Android App

    Lumo Android App

    Android application for Proton Lumo

    Lumo Android App is the official Android client implementation of Lumo, a privacy-first AI assistant created by Proton that lets users interact with an intelligent chatbot securely and confidentially on mobile devices. Lumo is designed so that every conversation remains encrypted and private, meaning chats are not logged, tracked, or used to train external large language models, and all interactions are protected with zero-access encryption so only the user can read them. The Android app...
    Downloads: 1 This Week
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  • 16
    Gemini Next Chat

    Gemini Next Chat

    Deploy your private Gemini application for free with one click

    ...It supports features like image recognition, voice-based conversation, plugins (web search, ArXiv search, weather, etc.), and client apps (tray app) for greater convenience. The project emphasizes “one-click” deployment, aiming to make it easy to spin up a custom chat front end without deep infra-setup. It’s licensed under MIT and has an active community of contributors; documentation and release notes note support for newer features like mixed image+text generation. The README warns of security configurations and customizing environment variables for model access.
    Downloads: 0 This Week
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  • 17
    ADAMANT Messenger Progressive Web App

    ADAMANT Messenger Progressive Web App

    ADAMANT decentralized Messenger, progressive web application

    A messaging application client for ADAMANT Blockchain. ADAMANT is a decentralized anonymous messenger based on the blockchain system. It’s independent of any governments or corporations, and even developers due to the distributed network infrastructure that contains an open-source code. The ADAMANT blockchain system belongs to its users. Nobody can control, block, deactivate, restrict or censor accounts. Users take full responsibility for their content, messages, media, and goals and...
    Downloads: 1 This Week
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  • 18
    Dissent

    Dissent

    Tiny native Discord app

    Dissent is a tiny third-party Discord client built for a native Linux desktop experience. It was previously known as gtkcord4 and is built with GTK4 and libadwaita for a modern, lightweight interface. The app focuses on text chat, speed, simplicity, and lower overhead instead of matching every feature of the official Discord client. It supports Markdown, custom emoji, guild folders, channel categories, tabs, quick switching, file handling, and custom CSS theming. Some advanced areas, such as threads, forums, reactions, and AI summaries, are only partially supported. ...
    Downloads: 37 This Week
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  • 19
    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 by...
    Downloads: 4 This Week
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  • 20
    Bitchat

    Bitchat

    Bluetooth mesh chat, IRC vibes

    BitChat is a decentralized, peer-to-peer encrypted messaging app built by Jack Dorsey’s Permissionless Tech. It uses Bluetooth Low Energy mesh networking to relay messages without internet, servers, accounts, or phone numbers. Messages are end-to-end encrypted (Curve25519 + AES‑GCM) and the app includes a panic mode to erase data quickly.
    Downloads: 11 This Week
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  • 21
    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. Element is used by millions all over the world for their business, organizations, and even for personal and home use. ...
    Downloads: 5 This Week
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  • 22
    OpeniLink

    OpeniLink

    Self-hosted WeChat Bot Platform with App Marketplace

    OpeniLink Hub is a self-hosted message management platform and app marketplace for WeChat ClawBot through the iLink protocol. It lets users bind WeChat accounts by scanning a code, manage multiple bots from a web console, and extend capabilities without writing code. The app marketplace connects WeChat messages with tools such as Slack, Discord, Lark, DingTalk, GitHub, Notion, Google Workspace, weather, currency, reminders, RSS, and AI assistants. The platform can route messages through...
    Downloads: 43 This Week
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  • 23
    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).
    Downloads: 7 This Week
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  • 24
    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 privacy. Element has three different tiers of support for different environments, the most supported being the latest versions of Chrome, Firefox, and Safari on desktop OSes.
    Downloads: 8 This Week
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  • 25
    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, and platforms where identity-free expression is encouraged. ...
    Downloads: 0 This Week
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