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
Surfkey
Description: Surfkey is a web browser plugin that provides privacy protection and ad blocking while browsing the internet. It removes intrusive ads and trackers, and prevents companies from collecting your browsing data without consent.
Type: software