Patterns - Patterns is a simple yet powerful tool for working with regular expressions.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Sismics Docs - Lightweight full-featured document management system 📁
Bookmark It - Create awesome notes on YouTube videos
SkyBucket - Save and manage all your bookmarks on one board
PageMarker - Save, organize, annotate and revisit your bookmarks