best way to save what you love
Etherpad: A modern really-real-time collaborative document editor.
The Secure CommsOS™ for mission-critical operations
Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux, and macOS
⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
Your team’s whiteboard, on your server. Self-hosted Excalidraw with accounts, folders, and search.
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
Open-source alternative to Notion and AppFlowy – documents, databases, whiteboards and a daily journal.
Sync-in · Sovereign platform for file storage, sharing, synchronization, and collaboration.
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
Aldine: self-hosted, open-source collaborative LaTeX editor (an Overleaf alternative). Real-time editing, git branches, GitHub/GitLab/Gitea sync, Zotero, MCP server for Claude. Two containers, AGPL-3.0.
tine groupware main repository
The AI-assisted, open-source alternative to Notion and Confluence: a team wiki that lives in Git, with real-time editing, data tables, whiteboards, offline mode, and first-class AI agents. Live demo: https://demo.foliowiki.online
A modern, feature-rich, databaseless flat-file wiki platform built with Go.
Markdown note-taking web application designed for simplicity