Trailhead 01 · Flagship
Python CodePad
Write, run and learn Python on iPhone and Android
5M+downloads
Indie mobile apps · est. 2014
Marko
Devcic.
I build mobile apps that a few million people use. Weekends belong to gravity.
Trails I built
<10k
10k+
100k+
1M+
Code
Code
JavaScript Coding Editor & IDE
Node.js runtime for JS, TS and HTML
Code
Code Runner
Compile and run C, C++, Java, C#, Rust, Go and more
Code
SQL Client: Database & SSH
Postgres, MySQL, SQLite and Redis on the go
Code
Codesy
Interactive coding lessons
Language
Language
German English Dictionary+
Offline dictionary and translator
Language
English Dictionary + Thesaurus
Definitions, synonyms and vocabulary
Games & utilities
Games & utilities New trail
TideBite
Fishing forecast
Games & utilities
Code Typer – Hacking Simulator
Type like a movie hacker
100K+Android ↗
Games & utilities
Quiz Mania
General knowledge trivia
Games & utilities
Word Twist
Word puzzle game
Games & utilities
Jpg Converter
Convert photos to PNG, HEIC, GIF, JPEG
Games & utilities
Time Tracking – App Tracker
Track and log work hours
Lift status
UPDATED 10 NOV 2026Python CodePadOpenUpdates ship most months
Other appsOpen13 apps across iOS, Android and Mac
Next appGroomingBeing built. No spoilers.
BlogOff seasonOld posts kept online below
Freelance & hiringClosedNot taking client work or job offers
Current conditionsMTB+HIKINGGenerated from the season dial
Off the clock
In season: Nov
Last laps on the bike, rolling on the mats, waiting for snow.
- SkiingDec–Apr
- MTB · enduro & DHApr–Nov
- HikingMay–Nov
- FishingMar–Jun, Sep–Nov
- Jiu-jitsuAll year
Old trails
Notes from 2014–2021. Unmaintained, some rocks have moved.
Unmaintained singletrack
Open-source code, ride at your own risk.