A command line tool to generate css sprites.

Link here.

Sencha gives you a free way to resize your big images on smaller screens.

Link here.

Count character, words and paragraphs entered by a user live

A very small plugin that has no dependencies.
Link here.

A plugin if you want to use excel/spreadsheet formulas.

Link here.

Ready css3 animations

Link here.

Know the resolution and ppi of any screen

Link here.

Write better html using HTML inspector plugin

Link here.

Beautiful analysis and visualization tool

Link here.

A javascript library, Cytoscape.js for analysis and visualization

Link here.

Simple triangular list bullets using css

Link here.