Open Source Dart Chat Software

Mixin Messenger is a free, open-source messaging application designed for secure communication across desktop and mobile devices. Its Flutter-based client supports Windows, macOS, Linux, and iPadOS. The software uses the Signal Protocol to provide end-to-end encryption for messages, photos, audio, and shared files. Users can participate in private conversations and group chats while maintaining control over their communication privacy. It supports voice calls, disappearing messages, and customizable chat settings. Desktop authentication uses QR code pairing with an existing mobile account. The application also provides message delivery indicators, contact management, and sticker sharing. Unlike the mobile wallet, the desktop version focuses on encrypted messaging rather than cryptocurrency management.

FluffyChat is a free, open-source instant messaging application built on the decentralized Matrix communication protocol. Developed with Flutter, it provides a modern messaging experience across mobile, desktop, and web platforms. Users can exchange text messages, images, documents, voice recordings, and other media through private or group conversations. The application supports end-to-end encryption to protect message contents and provides encrypted chat backups. FluffyChat includes video calling through Matrix RTC, location sharing, and push notifications. Its community features support public channels, group moderation, custom stickers, and Matrix Spaces for organizing conversations. With a customizable Material You interface and multilingual support, it offers a privacy-focused alternative to centralized messaging services.

BlueBubbles is a free, open-source messaging application that brings Apple's iMessage experience to Android, Windows, Linux, macOS, and web browsers. It connects to a companion server running on a Mac with an active Apple account to relay messages between devices. Users can send and receive text messages, images, videos, and other attachments. The application supports group conversations, message reactions, read receipts, and delivery information. Optional private API integration enables additional capabilities, including typing indicators, message effects, and advanced group management. Users can personalize the interface with themes and different visual styles. Built with Flutter, BlueBubbles provides cross-platform messaging while retaining the Mac-based infrastructure required for iMessage connectivity.

Commet is a free, open-source Matrix messaging client designed for private, secure, and accessible communication. It combines a straightforward interface with modern messaging capabilities. Users can connect multiple Matrix accounts and organize conversations through rooms and Spaces. End-to-end encryption protects message contents, while emoji verification and cross-signing help establish trusted devices. Messaging tools include threaded conversations, custom emojis, stickers, and integrated GIF searching. Encrypted room search allows users to locate information within protected conversations. The application also supports push notifications and rich URL previews. Commet is available for Windows, Linux, and Android, with macOS and iOS support planned for future development.

Github: https://github.com/TrongAJTT/p2lan-transfer. You want to transfer file between your devices and view them immediately, but: - Cable transfer: Fast, but the process of navigating and selecting photos on the laptop is unintuitive. - Third-party OTT apps: Inconvenient for sending many files, and photos may lose quality due to compression. - Cloud storage: Convenient and maintains photo quality, but requires the annoying extra step of deleting files afterward. Then, P2Lan Transfer may be a solution that suits you. P2Lan Transfer helps you share files and chat with devices on the same local network without requiring any central server or complex setup. Just run the app on both devices and they can find each other automatically. You can also chat and send media or file with other devices locally (no server needed) and sync clipboard with that chat. 💻 Platform Support: Android, Windows. - Web, Linux, MacOS may available in the future.

Sandesh: Find your community https://play.google.com/store/apps/details?id=com.pranjalstudioplus.sandesh We are thrilled to introduces an exciting new way to connect with your local community and engage in meaningful conversations. Here's what you can expect from this initial release: 1. Discover Local Communities: Find and join communities based on interests, passions, or proximity. 2. Authentic Answers to Local Problems: Get advice, share information, and find solutions from community members who understand local challenges. 3. Real-Time Messaging: Engage in personal chats, exchange ideas, and build relationships with like-minded individuals. 4. Secure and Reliable: Sandesh prioritizes privacy and data security for a trustworthy experience. Sandesh plans to continuously improve and enhance the platform based on user feedback. Future updates will introduce new features, community enhancements. Support: pranjalbarn@gmail.com