#note taking

heptabase.com

Heptabase is a visual knowledge management platform designed for researchers, students, and lifelong learners to organize ideas using whiteboards, cards, and AI-assisted learning.

obsidian.md

Obsidian is a powerful, extensible note-taking application that uses local Markdown files to help users build a personal knowledge base. It allows for bi-directional linking, data visualization through graphs, and extensive customization via plugins.