Readwise - Effortlessly rediscover and organize your Kindle highlights
FeedbackSpark - FeedbackSpark is in-product micro survey tool that helps product teams to remove guesswork from product development. Harness the voice of customer to drive product success.
Knotes - An efficient, beautiful Kindle highlights & notes manager
Zazzy - Design and sell your own 3D printed jewelry
Clippings.io - Organize the notes you make on your Kindle
Love & Robots - Create your own 3D printed jewelry & accessories online