"A highly scalable real-time graphing system".

"Most people who have designed web sites or apps in Photoshop will, at one point or another, have had issues trying to match colors in images to colors generated by HTML, CSS or code. This article aims to solve those problems once and for all."

"A standard specification currently being developed to display 3D graphics on web browsers. It enables hardware-accelerated rich 3D graphics in web pages without the need for special browser plug-ins, on any platform supporting OpenGL or OpenGL ES. Technically it is a binding for JavaScript to native OpenGL ES 2.0 implementation, to be built in to browsers." Blimey. It's running in Firefox and Webkit nightlies, apparently.

"A software version control visualization for Git and CVS."

But does it do clockwise *and* anti-clockwise loaders? Clients can be funny.

"Enter the URL of any CSS file to view and modify its color spectrum"

"A set of standardised icons for popular social networking services and tools."

"Computation and drawing of lines, axes, shadows even the grid itself is handled by pluggable "renderers". Not only are the plot elements customizable, plugins can expand functionality of the plot too! There are plenty of hooks into the core jqPlot code allowing for custom event handlers, creation of new plot types, adding canvases to the plot, and more."

Icons for Fluid, unsurprisingly. Very handy.

"I've ported the Processing visualization language to JavaScript, using the Canvas element." Nuts. Cool.

"For making resolution independent images and icons for applications and the web."

"An open source programming language and environment for people who want to program images, animation, and interactions."

"Converts bitmap images to vector images - it's an online auto-tracer."

"VJ Tools, interactive video works and experiments in Quartz Composer"

allows you to select rectangular areas on <DIV> or <IMG> elements, calculate selection coordinates, display them or send them to the server.

"Upload an image from your computer and choose how many sheets wide you would like your poster to be once printed"

"How to add a ‘Crush’ option to the context (right-click) menu in Windows Explorer for quicker [PNG] crushing."

Including plugins for ICO files.

"The prime rule is: Consider what the page looks like or sounds like when images are not shown. Then, write for each image an alt text that best works as a replacement."

Could be useful for images but wouldn't let it near my HTML. "Strips the redundant information often contained in GIF, JPEG, PNG and HTML files, reducing their size by sometimes as much as 40 or 50%."

"A simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers."

"I'm looking for retro- and solid patterns with good geometry and curves and fun shapes that I can use to add texture to web page headers and to site backgrounds."

The work of Etsu Meusy

"A collection of SWF manipulation and creation utilities written by Rainer Böhme and Matthias Kramm. It is released under the GPL."

"Type the URI of a page below and submit it to see what colors it uses"

"lets you zoom from satellite altitude into any place on Earth."

" Even if it looks great at a glance, the color scheme doesn't work if many visitors can't easily find crucial information, use whatever services are offered, and effectively navigate the site."

5 powerful tools that will smooth your development without costing you a single penny (unless you choose otherwise).