Gamify Your Life - A Notion template pack to make work fun and get stuff done.
Promyze - Define and share best coding practices to increase code quality and improve developers' skills.
Coding Confessional - Anonymous confessions from programmers
Cathartic.co - Share your story with complete anonymity
GetBadges - GetBadges is a gamification platform which allows developers to play and compete while using software development tools.
Box Island: One Hour Coding - Charming mobile coding game (Hour of Code version)