GeoGebra Calculator Suite

by GeoGebra

GeoGebra is more than a set of free tools to do math. It’s a platform to connect enthusiastic teachers and students and offer them a new way to explore and learn about math.

ChaBox

by huanguan1978

A 100% offline, open-source file encryption and secure diary app powered by ChaCha20-Poly1305. Built with zero ads, zero tracking, and no network dependencies, it serves as a secure mobile companion for protecting your private data.

Kanji Pro

by Kairos-Akil

Learn Japanese kana, kanji (N5 to N1), and radicals offline with a star-based spaced mastery system.

CSA Buddy

by Jay Schenke & Ken Schenke

This app is for teams and volunteers at FIRST Robotics Competition (FRC) and FIRST Tech Challenge (FTC) events, designed primarily for CSA (Control System Advisor) volunteers. It's a small app that shows a quick reference page with some helpful technical tidbits.