Web Directory

NotebookLM AI Tools A Google AI notebook that answers from your sources Company Login Required Mobile Supported MIT OpenCourseWare Learning Free lecture notes, exams and videos from MIT courses. Nonprofit Login Not required Mobile Supported Notion Productivity An all-in-one workspace for docs, wikis and databases Company Login Required Mobile Supported Obsidian Productivity Local-first Markdown knowledge base Company Login Not required Mobile Supported Can I Use Development Browser support tables for HTML, CSS, and JavaScript features. Individual Login Not required Mobile Supported Raindrop.io Productivity A bookmark manager that organizes saved links into collections with tags, search and highlights. Company Login Required Mobile App recommended Bitwarden Productivity Open-source password manager with end-to-end encrypted sync across devices. Company Login Required Mobile App recommended