Zeplin - Collaboration app for UI designers & frontend developers
Version Control with Git - Manage your work and collaborate with teammates.
Invision - Prototyping and collaboration for design teams
Cornerstone 4 by Assembla - The ultimate Subversion client for Mac
Neatly - Digital asset manager for Google Drive
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.