TunnelVision - See your next Trello tasks every time you open a browser tab
Goodreads - See what your friends are reading.
Pliim - One click and be ready to go up on stage and present!
LibraryThing - A home for your books.
HiddenMe - Hide desktop icons with a single click.
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.