Description: AnkiDroid is a free and open-source flashcard app for Android. It allows users to create decks of flashcards with text, images, audio, and video, and uses spaced repetition to optimize studying. AnkiDroid can help memorize anything from languages, to science material, to trivia.
Type: software
Pricing: Open Source
Description: SurveyJS is an open-source JavaScript survey and form library. It allows you to easily create beautiful online surveys, quizzes, polls, and questionnaires with lots of built-in features like various question types, themes, logic, and validation.
Type: software
Pricing: Open Source