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: TestDisk is an open source data recovery utility used to recover lost partitions and repair boot problems. It supports various file systems and operating systems.
Type: software
Pricing: Open Source