Guido van Rossum, a Google App Engine developer, has released into open source the Rietveld Code Review Tool at http://codereview.appspot.com. This web application ties into a subversion repository to create a work flow for the review and commenting of newly submitted code.
This tool was born from an Google internal tool that Guido developed called Mondrian. [...]

IBM developerWorks has a great article by Kristopher William Zyp on the tools and methods used to analyze Ajax application performance titled Ajax performance analysis. It provides a good overview of what affects an Ajax based application, the tools to probe these aspects and actions developers can take to help speed things up. Much of [...]

Aptana, the creators of one of the best web development IDE’s on the planet, has been broadening its product offering. One of them is the Aptana Cloud, its answer to providing an elastic web application platform.
So what makes Aptana Cloud different? From the looks of it they are offering an very specific LAMP based architecture [...]

I have personally just cut over to Firefox 3 as my default browser. I was finally able to gather the core add-ons I needed to make the switch. Some of the add-ons are still in beta, but are at least compatible with Firefox 3 so most of he functionality is there.
Firebug (use the 1.1 beta) [...]

If you arent farmiliar with Microformats you can get up to speed over at microformats.org. The Operator Firefox addon by Michael Kaply allows you to see what pages have microformat information embeded in them and allows you to do something with it.
It does what you expect, turns hCard info into downloadable vCards or shoots it [...]