Description: Omnivore is a PDF editing software that allows users to easily edit, convert, annotate, sign, and collaborate on PDF documents. It has an intuitive interface and effective tools for manipulating PDF files.
Type: software
Pricing: Free
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