Duolingo Revanced

by Revanced (FiorenMas)

ReVanced-patched Duolingo language-learning app.

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.

AnkiDroid

by AnkiDroid

Flashcard app for smart spaced-repetition learning (Anki).

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.

Sky Map

by Sky Map

Star map: point your phone at the sky to identify stars and planets.

Kanji Pro

by Kairos-Akil

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

Photomath Revanced

by FiorenMas

Revanced version of Photomath.

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.

ProcrastiLearn

by Vladyslav-Soldatenko

Blocks distracting apps behind a spaced-repetition flashcard until you review a word, turning mindless app-opening into vocabulary practice.