Open-source Productivity & Notes
Note-taking, to-do lists, knowledge bases and calendars. 32 apps.
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77kDartAGPL-3.0AndroidJoplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.
57kTypeScriptDesktopAndroidiOSA self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search
30kTypeScriptAGPL-3.0AndroidSelf-hostedSuper Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities.
23kTypeScriptMITWindowsmacOSLinuxA fully open source & end-to-end encrypted note taking alternative to Evernote.
15kTypeScriptGPL-3.0DesktopAndroidSelf-hostedPlainApp is an open-source app that lets you securely manage your phone from a web browser.
6.9kKotlinAGPL-3.0DesktopAndroidWebText editor - Notes & ToDo (for Android) - Markdown, todo.txt, plaintext, math, ..
6.2kJavaAndroidIssue tracker only. Active development is on Gerrit at https://gerrit.collaboraoffice.com/.
3.4kShellAndroidiOSPowerful, minimalistic, cross-platform, opensource note-taking app
2.1kDartAGPL-3.0WindowsLinuxDesktopOpen-source Flutter habit tracker with smart scoring, WebDAV sync, local-first storage, privacy-focused design, and support for Android, iOS, Windows, macOS,…
1.6kDartApache-2.0WindowsmacOSLinuxMinimalist, data-oriented pomodoro timer for Android and Desktop based on Material 3 Expressive
1.5kKotlinGPL-3.0DesktopAndroidAn app to help you capture thoughts and ideas
1.2kKotlinGPL-3.0AndroidSelf-hostedA markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly.
1.2kTypeScriptMITDesktopAndroidiOSTake a gander at any file. Offline, zero-permission Android viewer for PDF, Word, Excel, PowerPoint, ODT, RTF, ZIP, STL, photos, video, audio, Markdown and…
1.2kJavaScriptMITAndroidEasily install and test mobile applications with a single click.
1.1kSwiftMITmacOSDesktopAndroidMinimal, private, ad-free habit tracker built with Flutter — track habits, build streaks, all offline.
790DartGPL-3.0AndroidSimple FOSS android app to help you plan and manage your savings goals easily and establish the habit of saving money.
789KotlinMITAndroidMinimalistic Android note taking App | Notally, but eXtended.
754KotlinGPL-3.0AndroidTurn your images and videos into a personal knowledge base
500KotlinGPL-3.0AndroidneutriNote - the original Markdown + Math note app. Programmatically extensible. Sync-ready note storage. Non-commerical. No lock-ins.
476JavaGPL-3.0AndroidFree open-source notetaking app with real-time sync
432DartGPL-3.0AndroidSelf-hostedAI-powered Markdown notepad built with Compose Multiplatform.
394KotlinAGPL-3.0WindowsmacOSLinuxA modern, feature-rich, and ad-free QR customizer, generator, and scanner
282TypeScriptAGPL-3.0WindowsmacOSLinuxA handwriting notes and sketching app for Android with stylus support
262CMITAndroid
