tabExtend - Easily save tabs and quickly create notes in your browser
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Jam on Chrome - Sticky notes for the web - comment right on your website
BookmarkSheet - Your bookmarks in Google Sheets
Flowcast - Click-and-type sticky notes for effortless website feedback
Siimpl Bookmarking - Start collecting and organizing what interests you