Science & Education

PalmCalc 2019+

Retro scientific calculator & converters

Starke Verben

Learn the German strong verbs

Blockly for senseBox

Visual Programming of the senseBox:MCU via Blockly

User-controlled decryption operations

Emulates a smart card and lets you control the decryption operations

Progress Tracker

Any activity progress tracker


Learn vocables of foreign languages


Make cards with csv files as input to memorize things


An advanced note editor plug-in for AnkiDroid

arXiv eXplorer - Mobile App for

Browse, search, and download arXiv articles with arXiv eXplorer!

Privacy Helper

An app privacy guide


Simulation of the Enigma Machine

Xia Express

Create interactive images by croping zoomable details

The Kana Quiz

Learning Japanese? Test and train your knowledge in Hiragana or Katakana


Logs atmospheric pressure

Neural Network Simulator

Educational tool to learn about computational neuroscience and electrophysology

Aalener Optik-Formelrechner

quick and easy calculate a bunch of optical functions


A simple educational practice game for kids (and adults).


Xearth live wallpaper


Guess the day of week of a random date

Reckoning Skills

Helps you improving your mental calculation skills

Apod MD

NASA Astronomy Picture of the Day with Material Design

Apod Classic

NASA Astronomy Picture of the Day Classic


Unofficial Google Books viewer

arXiv Papers

Search, download and save arXiv scientific papers

Velocity Calculator

Calculate the speed of an object in a video


Read for Automatic Speech Recognition Experiments

Smart Gadget

Connect to your Sensirion Smart Gadget via BLE


Viewer for Gerber files

WTF‽ (The MirOS Project)

Offline acronym translator


Two hour rain forecast in The Netherlands