I’ve developed and maintain several apps and open-source libraries. Next to that, I sometimes contribute to other projects, see my GitHub profile.
Main Projects
📝 Notes for Android
Platforms: Android, web.
Available: since 2010.
Downloads: 1M-5M.
https://www.notesforandroid.com
🎱 IntelliScore
Platforms: Android, desktop.
Available: 2025 (planned).
Downloads: N/A.
https://www.intelliscore.nl
Other Apps
🎼 Sight-Reading Trainer
Platforms: Android, iOS (upcoming).
Available: since 2018.
Downloads: 1k-5k.
https://play.google.com/store/apps/details?id=nl.jacobras.sightreadingtrainer
💹 Portfolio Rebalancer
Platforms: Android.
Available: 2020-2024 (discontinued).
Downloads: 1k-5k.
https://play.google.com/store/apps/details?id=nl.jacobras.portfoliorebalancer
Libraries
Compose Action Menu
An easy-to-use action/overflow menu for Compose UI.
Human Readable
A small set of data formatting utilities for Kotlin Multiplatform (KMP).