Balto - Easy feedback with screenshot / videos for your beta apps
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
SessionStack - Record and replay web app issues. See them the way they happened to end users.
BookmarkSheet - Your bookmarks in Google Sheets
Video Contact Forms by Typeform - Get 10x more personal with your site's visitors from Day 1
Siimpl Bookmarking - Start collecting and organizing what interests you