Works

A reverse Sokoban in 13 kBytes, entry for the Js13kGames 2015 competition we created with my brother, Zsolt Héja.

Website: http://bokosan.net/
GitHub repository: https://github.com/gheja/bokosan

A multi-player tower attack/defense game, entry for the Js13kGames 2013 competition.

Website: http://untitled13.net/
GitHub repository: https://github.com/gheja/untitled13

A Hungarian mirror for some open-source or free projects, like Eclipse, OpenTTD, Opera, Ultimate Boot CD.

Website: http://filemirror.hu/

gforjump is a simple game written in JavaScript, my first attempt to use HTML5 canvas. It also has a simple multi-channel synth with multiple instruments and basic effects, also in JS, also my first attempt. Both have bugs and could be improved, but they were just experiments.

Demo: http://gforjump.x0.hu/nightly
GitHub repository: https://github.com/gheja/gforjump

One of the first Pop Tart Cat / Nyan Cat games, created in collaboration with Laszlo Vincze (Vincenzo) and great help of Viktoria Molnar, my cousin.

Website: http://www.thepoptartcatgame.com/
GitHub repository: https://github.com/gheja/thepoptartcatgame

A javascript library to implement Two Key Encryption scheme and encrypted containers like in LUKS and TrueCrypt, supporting multiple passwords/keys, based on CryptoJS.

I have posted about it here: Part 1, part 2.

Demo: http://jsenc.x0.hu/nightly/src/index.html
GitHub repository: https://github.com/gheja/jsenc

A distributed computing framework aiming for flexibility and simplicity, implemented in php + MySQL (the server), and bash scrips (the client).

GitHub repository: https://github.com/gheja/hive

An intramfs script that starts an customizable (initramfs-only users, passwords and keys, etc.) SSH server that can be used to unlock the encrypted root filesystem for example.

GitHub repository: https://github.com/gheja/early-ssh

A date() function for Lunar Standard Time (LST) implemented in PHP based on Lunar Clock site.

Demo: http://stuffs.kakaopor.hu/lunar_date_demo/
GitHub repository: https://github.com/gheja/lunar_date

A PHP class to generate captchas simply.

Demo: http://dev.kakaopor.hu/captchaz/
GitHub repository: https://github.com/gheja/captchaz

A colorful fancy “pop-art” style QR code generator written in PHP.

Demo: http://qr.x0.hu/
GitHub repository: https://github.com/gheja/popartqr

A failed photo-a-day project.

Website: /oldblog/category/photo/378fix50/
Old tumblr blog: http://378fix50.tumblr.com/

A simple and dumb mobile browser-friendly interface for Google Maps, designed to simply put a coordinate on map.

Website: http://map.x0.hu/

A cat that looks left and right. Yes, it is pointless. But cute.

Website: http://leftrightleftrightleftrightleftright.com/

• I have commited to OpenTTD, Magic Lantern a few bugfixes.
• I am planning to commit to a few more bugfixes and features in the future to these and other projects.
• And also, I am developing/scripting/hacking a lot at the company where I work. :)