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: Vivaldi Webmail is a free, open-source webmail client developed by Vivaldi Technologies. It offers an intuitive interface, support for multiple accounts, calendar and contacts syncing, and custom themes.
Type: software
Pricing: Open Source