Open Source Software Library

Hierarchical note-taking application with rich text, scripting, relationships, and self-hosting.

Markdown-based personal knowledge platform with extensibility, search, and self-hosting.

Lightweight self-hosted note and memo application with a timeline-oriented interface.

Collaborative Markdown editor for real-time note taking and document sharing.

Real-time collaborative text editor that can be self-hosted.

End-to-end encrypted collaborative office suite with documents, spreadsheets, forms, and shared drives.

Web-based collaborative document, spreadsheet, and presentation editors.

Presentation and meeting management system for organizations, assemblies, and conferences.

Lightweight videoconferencing server designed for groups, lectures, and interactive meetings.

WebRTC peer-to-peer video conferencing application with no mandatory account system.

Second-generation Matrix homeserver implementation written in Go.

Lightweight Matrix homeserver implementation written in Rust.

Audio, video, chat, and collaboration app for Nextcloud.

Extensible XMPP server focused on standards-compliant instant messaging and communication.

Scalable XMPP and messaging server supporting chat, presence, and real-time communication.

Collaborative documentation and knowledge management platform for teams.

Collaborative wiki and documentation platform with real-time editing and spaces.