Responsive Viewer - View multiple screen dimensions in one view
2015 Design Tools - Results from survey of 4,000+ designers on their fave tools.
Responsinator - Designed to test responsive websites on different devices.
FeaturePeek - Collaborate on in-progress website implementations. FeaturePeek allows your team to collect feedback on your front-end during the implementation phase of development.
Multi Screen Test - Test your site at different screen resolutions & devices.
VSCO CONNECT - Connecting brands with real content creators 📸