Description: Brilliant.org is an online platform that offers math and science problems and courses to help people improve their logical reasoning and problem-solving abilities. It uses interactive quizzes and puzzles to make STEM subjects more engaging.
Type: software
Description: Logseq is an open-source knowledge base and note-taking app built on local-first principles. It allows users to build a second brain to organize notes, tasks, documents and link ideas together in an interconnected graph network.
Type: software
Pricing: Open Source