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
Singlebox
Description: Singlebox is a privacy-focused email and cloud storage service. It offers end-to-end encryption for emails, messaging, and files as well as enhanced security measures like two-factor authentication.
Type: software
Pricing: Freemium