Description: Codewars is an educational community for computer programming. It offers code challenges known as kata which are ranked by difficulty. Users train on these coding challenges to improve their skills.
Type: software
Description: wikiHow is an online wiki-style community consisting of an extensive database of how-to guides on a wide range of topics. The articles are written in a step-by-step format with the aim of allowing users to easily learn new skills.
Type: software