Tag
11 catalogue entries use this topic; each Project's license policy is labeled separately.
Free offline Markdown notes with private sync
Joplin is a free, open-source note-taking and to-do app that keeps Markdown notes in notebooks with tags, works fully offline, and synchronises through user-chosen targets with end-to-end encryption.
A privacy-first, open-source knowledge base
Logseq is a privacy-first, open-source knowledge base that organizes notes as an outliner of linked blocks, stored in local Markdown and Org files you control.
Air-gapped open-source NotebookLM alternative for private documents
SurfSense is a free, open-source desktop AI agent that researches, edits, and transforms documents on your own machine, with no account and no uploads.
Free offline grammar checker that keeps writing on your device
Harper is a free, open-source grammar checker that runs entirely on your device, catching spelling and grammar mistakes across editors and browsers without sending text to a server.
Private encrypted notes across every device
Notesnook is an open-source, end-to-end encrypted note-taking app with notebooks, tags, and reminders that works offline across mobile, web, and desktop, syncing through its own cloud from a free tier.
Open-source realtime database with sync, auth, and presence
Instant is an open-source realtime database that syncs state across clients with InstaQL queries, auth, presence, and storage.
Open-source, AI-native interface design editor
OpenPencil is a free, open-source interface design editor that opens Figma files and keeps every file on your own machine.
End-to-end encrypted notes on every device
Standard Notes is a free, open-source note-taking app that protects notes and files with audited end-to-end encryption and syncs them across unlimited devices.
Offline open-source Kanban boards for Windows, macOS, and Linux
Kanri is a free, offline Kanban board app for Windows, macOS, and Linux that keeps boards and cards in local JSON files, with Trello import and full-workspace export.
Free open-source tracker for games, movies, shows, and anime
Tonkatsu Box is a free open-source Flutter app that organizes game, movie, TV, and anime collections with progress tracking, ratings, and visual boards.
Offline-first, privacy-respecting navigation for hike, bike, and drive.
CoMaps is a community-led offline navigation app for hiking, biking, driving, and city transit.