Walls.io
Walls.io is a social wall platform that allows users to collect and curate content from various social media platforms or direct user submissions, displaying them in a customizable feed.Price: Paid subscription, monthly
Cram
Cram.com, formerly known as Flashcard Exchange, is an online platform for creating, studying, and sharing flashcards. With over 68 million flashcards created by users, it is a popular tool for students and educators to review and memorize information.Price: Free
