2014-2015 is the age of flat UI designs. From websites to mobile apps, everybody is after content oriented, simple yet elegant UI designs. It is a design approach based on “less is more” concept. Here is a collection of free UI elements including icons and interfaces. Hope you would like them.

1. Morph-UI – Free UI Kit 

2. Infographic Vector Kit

3. Ui Kit [Free PSD]

4. Flattastic UI kit

5. Flatastic Mobile UI Kit

6. Free Flat UI Design Kit

7. Free PSD UI Kit

8. Bleya UI

9. Apple Watch GUI PSD

10. 350pixel perfect icons

11. Eerste – Flat User Interface Kit

12. Magazine UI Kit

13. Glyphs: Free PSD Icons

14. Course Dashboard UI

15. Sally Blocks