Trailhead 01 · Flagship
Python CodePad
Write, run and learn Python on iPhone and Android
5M+downloads
I build mobile apps that a few million people use. Weekends belong to gravity.
Write, run and learn Python on iPhone and Android
Node.js runtime for JS, TS and HTML
Compile and run C, C++, Java, C#, Rust, Go and more
Postgres, MySQL, SQLite and Redis on the go
Interactive coding lessons
Offline dictionary and translator
Definitions, synonyms and vocabulary
Fishing forecast
Type like a movie hacker
General knowledge trivia
Word puzzle game
Convert photos to PNG, HEIC, GIF, JPEG
Track and log work hours
Last laps on the bike, rolling on the mats, waiting for snow.
Notes from 2014–2021. Unmaintained, some rocks have moved.
Open-source code, ride at your own risk.