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: Google Reader was a popular RSS/Atom feed aggregator developed by Google. It allowed users to subscribe to feeds and view updates from blogs, news sites, and other web content in one interface. Google Reader shut down in 2013.
Type: software
Pricing: Free