We use Zeplin to bridge the gap between our UX/UI designers and our front end developers. It easily updates on the cloud from psd or sketch designs, and facilitates communications and specific questions from the FE dev team to the designers.
Controller - Polymaze
We use Zeplin to look at, and share, code.
Marketing Manager - Shippo
We’ve just started using Zeplin for design sharing.
Co-founder - Underdog.io
Visit the website: https://zeplin.io/