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
Description: Oppia is an open-source learning platform that allows users to create interactive online lessons called 'explorations'. It features a visual editor for building engaging content like quizzes, simulations, and feedback.
Type: software
Pricing: Open Source