Open Source Software Library

Fast self-hosted photo gallery designed for browsing large directory-based image collections.

Self-hosted photo management and gallery application for uploading, organizing, and sharing images.

Web-based photo gallery application with albums, permissions, plugins, and themes.

End-to-end encrypted photo storage and gallery platform with open-source clients and server components.

Document management system that turns scanned documents into searchable digital archives.

Personal document organizer with full-text search, metadata extraction, and automatic classification.

Electronic document management system with indexing, workflows, permissions, and versioning.

Document management system focused on scanned documents, OCR, metadata, and organization.

Self-hosted web application providing a wide range of PDF manipulation and conversion tools.

Command-line utility that adds searchable OCR text layers to scanned PDF files.

Optical character recognition engine supporting many languages and image formats.

Document scanning application with OCR, PDF creation, profiles, and scanner support.

KDE document scanning application for creating multi-page PDF and image documents.

Post-processing tool for scanned pages, including splitting, deskewing, margins, and content cleanup.

Web application for browsing, reading, and managing Calibre e-book libraries.

Self-hosted audiobook and podcast server with mobile apps, streaming, and library management.

Media server for comics, manga, magazines, and e-books with web reading and metadata management.

Document and e-book reader optimized for e-ink devices and Linux-based readers.

Cross-platform open-source e-book reader focused on modern reading and library features.

Self-hosted RSS reader with a web interface inspired by classic feed-reader workflows.

Self-hosted RSS reader designed around a simple stream-style reading experience.

Personal news reader with RSS aggregation, filtering, training, and social reading features.

Self-hosted read-it-later service for collecting, organizing, and reading web articles.

Self-hosted bookmark and content organizer with tagging, full-text search, and AI-assisted features.

Collaborative bookmark manager with archiving, tagging, collections, and link preservation.

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.

Federated content aggregation, microblogging, and discussion platform compatible with ActivityPub.

Federated social networking platform with rich posting, reactions, and ActivityPub support.

Lightweight ActivityPub social server written in Go.

Federated blogging engine supporting collaborative publications and ActivityPub.

Command-line client for publishing posts to Write.as and WriteFreely instances.

Highly customizable non-linear personal web notebook and wiki.

Collaborative documentation and knowledge management platform for teams.

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

Documentation theme and feature set for building modern sites with MkDocs.

Static site generator optimized for documentation websites and project portals.

Static site generator designed for fast documentation sites using Vue and Markdown.

Next.js-based static site and documentation framework using MDX.

Static site generator for publishing linked Markdown notes as a digital garden.

Fast static site generator written in Rust with built-in Sass, taxonomies, and templates.

Python static site generator for blogs and content websites.

Flexible JavaScript static site generator that works with many template languages.

Web framework for content-focused sites using islands architecture and multiple UI frameworks.

Application framework for building web apps with Svelte.

Full-stack Vue framework for server-rendered and static web applications.

Full-stack web framework built around web standards and React.

Web framework designed for resumable applications and fast startup.

Full-stack application framework for SolidJS.