Best open-source Productivity & Apps projects

An open-source, AI-powered workspace for notes, docs, wikis, and project tasks, positioned as an alternative to Notion.

Open-source design platform for product teams, offering real-time collaboration, design tokens, and self-hosting.

Self-hosted, privacy-first personal knowledge workspace with block-level references, Markdown WYSIWYG editing, and AI agent collaboration.

Folo is an open-source AI RSS reader that puts feeds, newsletters, podcasts and social posts into one timeline with AI summaries and translation.

Self-hosted, network-wide DNS server that blocks ads and trackers for every device on your home network without client software.

Open-source social media scheduling and management platform for planning, publishing, and analyzing posts across many social networks.

A cross-platform ebook reader and manager with sync, backup, and support for EPUB, PDF, MOBI, comics and more.

A free, open-source macOS menu bar toolkit that bundles per-app volume, system monitoring, window switching, clipboard history and more.

A self-hosted web app that converts files between over a thousand formats using tools like FFmpeg, ImageMagick, Pandoc and LibreOffice.

An open source desktop email client for Mac, Windows and Linux, built with Electron and React with a C++ sync engine.

Sonarr is a PVR for Usenet and BitTorrent users that monitors RSS feeds for TV episodes and automatically grabs, sorts and renames them.

A privacy-first PDF toolkit that edits, converts, merges, and secures PDFs entirely in the browser, and can be self-hosted as static files.

Self-hosted audiobook and podcast server with multi-user support, progress syncing, and a web app plus Android and iOS clients.

A self-hosted gym and body-weight tracker for planning routines, logging workouts and tracking progress, with passkey login and data kept on your own server.

An open-source game launcher for Linux, Windows and macOS that brings Epic Games, GOG and Amazon Games libraries into one app.

Open-source macOS menu bar manager that hides unused icons and lets you search and reveal items from the keyboard.

Browser extension that syncs native bookmarks across browsers and devices to your own server or cloud storage.

An open-source browser extension that shows bilingual webpage translations alongside the original text, with selection translation and AI reading help.

Self-hosted, open-source workout, nutrition and body weight tracker built on Django, with Docker deployment and a REST API.

A free, open-source, local-first Windows desktop organizer that groups desktop files into folder-backed widgets alongside notes, todos, search, and weather.