IdeasAI - OpenAI-powered startup idea generator
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Ideas Grab - A list of +3400 ideas that you can get for your projects.
Bookmark It - Create awesome notes on YouTube videos
Startup Stash - A curated directory of 400 resources & tools for startups
PageMarker - Save, organize, annotate and revisit your bookmarks