Description: Chess Tempo is an online chess training site that features free and paid membership options for chess practice, playing, and analysis. It includes chess tactics, openings, endgames, and allows playing against computer engines or other members.
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