- MooTools Great way of getting HTML to DO stuff essential.
- jEdit Programmers File Editor, amazingly configurable editor.
- XHMTL
- SVG Scalable Vector Graphics
- Firefox The web as it should be
- FireBug The single greatest Firefox pluggin for web developers, priceless (and free)
- YSlow Why is your site so slow
- XSLT Fiddle with XML using XML.
- Apache FOP Produce PDFs from XML data
- jsLint Check your .js code (and if you get it set up right make jEdit show you where the eroors are).