A curated list of things related to the Matrix ecosystem, including software, research, etc. Matrix is an open protocol for secure, decentralized data stores with a focus on communication.
This list hopes to become a good place for finding projects that may not have an obvious category to fit into on the matrix.org website.
- Annotation
- Blogs
- Bots
- Bridges
- Clients
- Collaborative Documents
- Collaborative Maps
- Comments
- Encryption
- Factoids
- Research
- SDKs
- Servers
- Social Media
- Testing
- Widgets
- Populus-Viewer - Social
annotation of PDFs, powered by Matrix.
(Repo,
Chat)
GPL-3.0JavaScript - Matrix Highlight -
Matrix-based collaborative web annotation.
(Repo,
Chat)
Apache-2.0TypeScript
- matrix-blog - A library
to interact with a Matrix server in a way that treats it as a backend for a
blog. (Repo,
Chat)
MITTypeScript
- maubot - A plugin-based Matrix bot system with over 30
plugins for all sorts of things. (Repo,
Chat)
AGPL-3.0Python - opsdroid - A flexible multi-platform chat bot
framework with Matrix support including end to end encryption.
(Repo,
Chat)
Apache-2.0Python
Some bots are quick scripts tailored to a specific purpose.
For a comprehensive list with many more clients along with screenshots, the Matrix clients table is a good resource.
- Element - A glossy client with an emphasis on
performance and usability. (Web,
iOS,
Android)
Apache-2.0TypeScript,Swift,Kotlin - FluffyChat - Cute instant messaging
app for all platforms. (Chat)
AGPL-3.0Flutter - Ditto - React Native client for iOS and
Android. (Chat)
GPL-3.0JavaScript - Safesupport chatbox - Embeddable Matrix chatbox.
- Fractal - A client for GNOME
written in Rust. (Chat)
GPL-3.0Rust
- matrix-notepad - A buggy way to
collaborate on text documents using the Matrix protocol.
(Repo,
Chat)
GPL-3.0JavaScript - TheBoard - Collaborative whiteboard
powered by Matrix. (Repo,
Chat)
MITJavaScript - Collabs -
A collections library for collaborative data structures.
Apache-2.0TypeScript - Matrix CRDT - Integrates CRDTs like
Yjs with Matrix for storage and sync.
MPL-2.0TypeScript
- ODIN - Command and Control Information System
(C2IS) built on Open Layers, React, and
Electron. Uses Matrix in order to replicate the
state of the symbols (MIL-STD-2525C) drawn on the map. ODIN is an
offline-first application and uses LevelDB to persist state locally. At the
lowest level LevelDB operations are replicated.
(Repo,
Chat)
AGPL-3.0JavaScript
- Cactus Comments - Federated, web-embeddable comment
system for the open web built on Matrix.
(Repo,
Chat)
GPL-3.0Elm,Python
- Olm -
Implementation of the Olm and Megolm cryptographic ratchets.
Apache-2.0C++ - pantalaimon -
E2EE aware proxy daemon for Matrix clients.
(Chat)
Apache-2.0Python
- Matrix Limits - A collection of various limits and related factoids about the Matrix specification and implementations.
Research papers and similar documents studying something related to Matrix.
- Matthew Weidner, Martin Kleppmann, Daniel Hugenroth, Alastair R. Beresford. Key Agreement for Decentralized Secure Group Messaging with Strong Security Guarantees.
- Florian Jacob, Carolin Beer, Norbert Henze, Hannes Hartenstein. Analysis of the Matrix Event Graph Replicated Data Type.
- Florian Jacob, Luca Becker, Jan Grashöfer, Hannes Hartenstein. Matrix Decomposition: Analysis of an Access Control Approach on Transaction-based DAGs without Finality.
- Martin Kleppmann, Heidi Howard. Byzantine Eventual Consistency and the Fundamental Limits of Peer-to-Peer Databases.
- Florian Jacob, Jan Grashöfer, Hannes Hartenstein. A Glimpse of the Matrix: Scalability Issues of a New Message-Oriented Data Synchronization Middleware.
- Matthew Weidner. Group Messaging for Secure Asynchronous Collaboration.
- Quirin Heiler, Richard von Seck, Jonas Jelten. Peer-to-Peer Matrix.
- Katriel Cohn-Gordon, Cas Cremers, Luke Garratt, Jon Millican, Kevin Milner. On Ends-to-Ends Encryption: Asynchronous Group Messaging with Strong Security Guarantees.
- Ksenia Ermoshina, Francesca Musiani, Harry Halpin. End-to-End Encrypted Messaging Protocols: An Overview.
- matrix-rust-sdk - A modular
SDK for writing Matrix clients, written in Rust. Implements Matrix E2EE in
a separate crate with a sans I/O design.
Apache-2.0Rust - SimpleMatrixClient -
Lightweight, zero dep client library written in TypeScript.
MITTypeScript - Matrix Client API - A
bespoke and well focused SDK for ODIN.
Lightweight and well-structured; may be useful for beginners to explore how
the Matrix API works.
MITJavaScript
- Synapse - The reference homeserver.
(Chat)
Apache-2.0Python - Dendrite - A second-generation
Matrix homeserver written in Go. It intends to provide an efficient, reliable
and scalable alternative. (Chat)
Apache-2.0Go - Conduit - A simple, fast and reliable chat server
written in Rust. (Repo,
Chat)
Apache-2.0Rust - hghs - Lightweight
Matrix homeserver for special purposes which compiles as a single file with
zero dependencies, except NodeJS.
MITTypeScript
- Circles - E2E encrypted social
networking built on Matrix. Safe, private sharing for your friends, family,
and community. (Repo)
AGPL-3.0-onlySwift - MinesTRIX - A privacy focused social media
based on Matrix. (Repo)
AGPL-3.0-or-laterFlutter
- Patience - Full stack integration
testing for Matrix clients and servers.
(Chat)
Apache-2.0TypeScript
- matrix-widget-api - A widget
API abstraction for browsers. (Chat)
Apache-2.0TypeScript - matrix-widget-debug - Test
widget for validating clients and
matrix-widget-api.Apache-2.0JavaScript - AlexGames - A simple board games
web app that works as a Matrix widget.
(Chat)
AGPL-3.0-onlyLua/JavaScript/Rust/C
Various other directories and lists of Matrix things.
- Ecosystem - Comprehensive directory of various Matrix projects.
- Matrix clients table - Thorough list of many more Matrix clients along with screenshots.
- @rodolpheh's awesome-matrix - An earlier effort at assembling awesome Matrix projects.
Contributions welcome! 😄 Read the contribution guidelines first.
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