We have chosen most recently released resources and tools that offer time-saving solutions to many of the development issues you may come across. So, if you are looking for a tool that will check your Javascript, validate your CSS, help you create an image sprite, or a new HTML5 Canvas library, a new CSS dev framework, or even a parallax scrolling library you will find them all here, and much, much more.

1.KineticJS

2.Morris.js

3.HTML5 Web Notifications

4.URI.js

5.Retina.js

6.Spiffing CSS

7.Socialite.js

8.Cutter.js

9.Underscore.js

10.TypedJS

11.Style Tiles

12.stroll.js

13.Leaflet

14.SpritePad

15.jPages

15.Live Scratchpad

16.Kartograph

17.heatmap.js

18.dhtmlxSpreadsheet

19.Foresight.js

20.Fixie

21.CanJS

22.Graphene

23.Timeline JS

24.The Responsinator

25.RWD Calculator

26.SnipSave

27.Dirty Markup

28.Gumby 960 Responsive Grid Framework

29.Foldy960 Framework

30.Css2Less