Momentum - Agile goal and performance management
Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
New Tab by Flickr - Get a beautiful photo each time you open a new tab
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.
Landing UI Kit - Handcrafted UI components for landing pages