Facebook
Description: Facebook is a popular social networking platform that allows users to connect with friends, family, coworkers, and people with shared interests. Users can share photos, videos, status updates, join groups, and more.
Type: software
Pricing: Free
RemNote
Description: RemNote is a free, open-source spaced repetition and note-taking app. It uses an interconnected web of notes to promote understanding and long-term memory retention. Key features include note linking, spaced repetition flashcards, knowledge graphs to visualize connections, and excellent mobile apps.
Type: software
Pricing: Open Source