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Offline-first bespoke data collection apps from Open Data Ensemble

⬇42+

Your field logbook, on your phone - build any survey, powered by your device.

⬇0+

Fast mortgage, auto, credit, and personal loan calculations

⬇8+

Shop ledger and billing app for small businesses.

⬇24+

Sync events across multiple local device calendars automatically.

⬇150+

Keep track of your working hours with precision and ease

⬇16+

A modern Material 3 Expressive calendar for Android.

⬇0+

An opinionated, fast, native android app for Logseq

⬇0+

Local-first reader and file browser

⬇369+

Track classes and view timetable statistics

⬇6+

Git client built with Jetpack Compose and Material 3 Expressive

⬇682+

Reminders for your recurring tasks: oil change, insurance, filters…

⬇0+

Grocery, to-do, and packing lists, ordered by store aisle or category. No ads.

⬇0+

A cute, privacy-first Pomodoro companion for Android.

⬇16+

Android ebook converter — 20+ input, 18 output formats. No Calibre needed.

⬇85+

Smart document scanner with tagging and fast search.

⬇81+

Inspect web pages as in desktop browser Developer Tools

⬇19+

Local-only outliner — no cloud, no ads, no tracking.

⬇49+

A Getting Things Done inbox — capture, clarify, engage. On-device, no account.

⬇63+

Inspect, select, edit and delete the elements inside any PDF

⬇267+

A simple but robust task manager available on Android, Windows and Linux.

⬇320+

Developer browser with automatic Eruda console injection

⬇374+

NTUST campus assistant for courses, assignments, and more

⬇49+

Message yourself to stay organized.

⬇731+

Bookmark manager and launcher.

⬇591+

Offline-first productivity, focus, and habit tracking.

⬇439+

GitHub Contribution graph widget

⬇15+

Simple offline compound interest calculator

⬇8+

Manage your household — shared lists, photos & notes on your own server.

⬇1 K+

Floating-bubble translator with configurable translation backend

⬇25+