QuizNerd is a multiplayer quiz game developed for IT enthusiasts. You can challenge your friends and compete in matches that consist of a large variety of different programming questions.
QuizNerd comprises over 800 different questions in 9 categories, including Android, C++, C#, HTML, Java, JavaScript, PHP, Python and Swift.
Wakapi is an open-source tool that helps you keep track of the time you spend coding on different projects in different programming languages and more. Ideal for statistics freaks and anyone else.
It is inspired by and partly compatible with WakaTime.