Bookmark It - Create awesome notes on YouTube videos
Time 2 - Stay focused and crush procrastination
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
PageMarker - Save, organize, annotate and revisit your bookmarks
Timing - Timing is the best way to keep track of the time you spend with your Mac.