Dribbble - harbor-ui-kit-all-elements-preview.png by Erigon

This could also be a beautifully layed out stylesheet of a webdesign project. Web developers love to have this instead of going through the psd files and try to pick out colors or inpit field stroke sizes.

RED UI – User Interface Design Kit PSD – Freebie No: 115

Today’s freebie is a Professional Flat style Free User Interface Design Kit PSD. UI design Kits are very useful for speedup your Project.