Slides from presentation.
In Polish, game of reversed Family Feud in which you have to guess the question based on given answers.
In Polish, a collection of logical and mathematical puzzles.
A set of custom fixers for PHP CS Fixer.
Composer plugin to make composer.lock smaller and more readable.
A GitHub action that allows to easily generate and maintain YouTube playlists using a simple configuration file.
Simple PHP library for HTML validation against Validator.nu.