Open Source Discord Alternatives

Fiora is a real-time communication suite and multimedia instant messenger designed as a self-hosted chat server. Built as a MERN stack messaging platform, it provides a networked environment for private and group conversations using a Socket.io based architecture. The platform is distinguished by its focus on self-hosting, allowing deployment on private Windows, Linux, or macOS servers for full control over user data. It features a highly customizable interface where users can apply themes, custom colors, and wallpapers to personalize their experience. The system covers a broad range of comm

Mattermost is a self-hosted, enterprise-grade communication platform designed for organizations that require strict control over their internal data and messaging infrastructure. It functions as a centralized hub for real-time team interaction, offering persistent messaging, voice and video conferencing, and integrated project management tools within a single, private workspace. The platform is built to support high-security environments, including air-gapped deployments where public internet access is restricted or unavailable. The platform distinguishes itself through a focus on regulatory

Rocket.Chat is a self-hosted communication platform designed for organizations to maintain full control over their messaging infrastructure and data. It functions as a scalable collaboration suite that supports growing teams by managing consistent configuration cycles across diverse deployment environments. The platform distinguishes itself through a modular architecture that allows for deep customization of enterprise collaboration workflows. It features a sandboxed application engine that enables developers to build and integrate custom tools and plugins within an isolated environment, ensu

Zulip is an open-source, self-hosted chat platform designed for real-time team communication. It organizes conversations into threaded streams, allowing users to maintain focus and manage complex discussions within a private, secure infrastructure. The project provides full control over data, authentication, and server management, making it a comprehensive solution for organizations requiring a dedicated messaging environment. The platform distinguishes itself through a hybrid backend architecture that combines a robust web framework for standard requests with an asynchronous event-streaming

Synapse is a decentralized communication server implementation that enables real-time messaging and data exchange across the global Matrix federation. It functions as a homeserver, allowing operators to host their own nodes while maintaining control over personal data and user identity within a distributed network. The server utilizes a federated messaging protocol to exchange messages and user data with independent servers, ensuring consistent state across the network. To support high-traffic environments, it employs a distributed service architecture that offloads tasks to independent backg

Repository for miscellaneous repository management and discussions: https://github.com/revoltchat/revolt/discussions

Nettu-meet is a self-hosted video conferencing platform designed for professional and educational environments. It provides a comprehensive suite of real-time communication tools, including audio and video streaming, screen sharing, and collaborative digital whiteboards, to facilitate remote tutoring and group meetings. The platform distinguishes itself through its focus on programmatic integration and organizational customization. It exposes a RESTful API that allows external systems to automate the scheduling and management of meeting sessions, enabling the integration of live video workflo

Jitsi is an open-source communication suite providing a self-hosted platform for real-time video conferencing, audio calls, and instant messaging. It functions as a comprehensive toolkit for streaming voice and video across different devices and platforms, allowing for the deployment of private team collaboration environments. The project is distinguished by its multi-protocol communication bridging, which translates and exchanges data between diverse network standards including SIP, XMPP, and IRC. This allows users on different protocols to interact within a unified communication interface.

Mirotalksfu is a WebRTC video conferencing platform and AI-integrated meeting suite. It functions as a real-time communication system for hosting high-resolution audio and video meetings, serving as a self-hosted virtual classroom and a collaborative workspace. The platform distinguishes itself by integrating generative AI assistants, speech recognition, and digital avatars into live sessions. It also operates as an RTMP streaming gateway, allowing users to broadcast live meeting content to external audiences and platforms. The system provides a collaboration suite featuring a shared interac

Mirotalk is a self-hosted video conferencing platform and peer-to-peer communication server. It utilizes WebRTC for high-resolution video calls, screen sharing, and real-time audio streaming, operating as a decentralized system that routes media streams directly between participants to ensure privacy and low latency. The platform integrates conversational language models and speech recognition to provide real-time transcription and automated meeting tasks. It also functions as a white-label collaboration suite, allowing users to apply corporate visual identities across the interface and sourc

This is a role-based access control system for Laravel applications that manages user permissions and roles within a database. It provides a database permissions manager to assign specific abilities to users and roles, utilizing authorization gates to restrict access to routes and interface elements. The project features a wildcard permission system that uses pattern matching to grant broad access across multiple related permissions. It also supports team-scoped access control, allowing users to maintain different roles and permission levels across separate organizational contexts or teams.

This project is a reference implementation and framework for building real-time communication systems. It provides an Android demo application for WebRTC video, audio, and data transmission, alongside a communication SDK for integrating instant messaging, VoIP, and multi-party video conferencing into mobile and web applications. The framework includes a P2P media streaming client for direct high-definition transmission between devices and an interactive whiteboard application that synchronizes drawing and screen sharing across connected users. It also provides a foundation for IM and VoIP sys