Open Source Software Library

Simple bookmark manager with archiving, full-text extraction, and a web interface.

Self-hosted bookmarking and content-collection application for saving links, notes, and media.

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.

Privacy-focused personal knowledge management system with block-based editing and local-first storage.

Real-time Markdown editor with a clean desktop interface.

Distraction-free Markdown editor for desktop writing.

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.

Lightweight Matrix client with a modern web interface.

Native desktop client for the Matrix protocol.

Open-source chat platform with servers, channels, messaging, and self-hosting.

Collaborative workspace combining team messaging, files, tasks, and calendars.

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.

Federated link aggregation and discussion platform using ActivityPub.