Description: Pearltrees is a free online app that allows you to visually organize, share and discover web content. It acts like virtual corkboards where you can pin content into trees and organize it into topics or projects. It helps you save, organize and share websites, documents, photos and notes.
Type: software
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