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
Description: wallabag is an open source read-it-later application that allows you to save web pages to read later. It works by allowing you to bookmark pages, download them for offline reading, and archive articles.
Type: software
Pricing: Free