Tasks.org offers open-source Android to-do lists and reminders with support for services such as Google Tasks, CalDAV, and EteSync.
Open source
24 alternativesOpenScan
OpenScan scans documents on Android with an emphasis on privacy, and its project page includes build instructions.
About OpenScan
OpenScan is an open source document scanner app that respects user privacy. It scans items such as official documents, notes, photos, business cards and receipts and converts them into a PDF file for sharing. Its GitHub repository includes Flutter instructions for building a release APK to install on a phone.
Pricing is not clearly stated.
Key features
- Scan official documents, notes, photos and business cards
- Simple and powerful cropping features
- Convert scans to PDF and share via messaging apps
- Share scans as PDF/JPGs
- Build instructions for generating a release APK with Flutter
Best for: People scanning work documents or handwritten study notes to share quickly.
OpenScan at a glance
- Category
- Mobile Apps › Android Productivity Apps
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
OpenScan alternatives
Tools and sites you could use instead, ranked by how closely they match.
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Timeto.me organizes goals, checklists, tasks, recurring tasks, and time tracking in a single Android application.
Open source
24 alternativesPopular in Android Productivity Apps
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