Blogs
- Coding horror » Jeff Atwood's blog on programming and human factors
- Phil Sturgeon » One of the main CodeIgniter developers
Computer Tools
- KeePass » free password management tool
CSS
- CSS Validation » Another nice validation tool from the W3C
- Dynamic Drive » CSS Library
- Quirksmode » Excellence since 1998
- SASS » a CSS3 framework
- The ultimate IE6 Cheat Sheet » solve all bugs with this simple guide
- Zen Garden » need inspiration?
Firefox Plugins
- Firebug » all-round inspection tool
- HTML Validator » based on Tidy and OpenSP
- MeasureIt » screen ruler
- Web Developer » various web dev tools
HTML, XHTML, HTML5
- About conditional comments » from MSDN
- HTML5 Boiler Plate » HTML5/CSS/JS template
- HTML5 Demos » experimental markup
- HTML5 Rocks » yes it does!
- W3C Markup Validation » Always validate your markup
jQuery
- Fancybox » multifunctional jQuery lightbox
- Learning jQuery » great site from Karl Swedberg
Open Source
- GitHub » another repository of projects
- SourceForge » repository of projects
PHP
- PhpStorm » my personal favorite PHP developer tool
Project Management
- FengOffice » office collaboration platform
- Freedcamp » free version of basecamp :)
- Quoterobot » hassle-free quotes
Stay Informed
- A List Apart » one of the most renowned sites aroud
- My Fonts » one of the better font directories around
- Think Vitamin » excellent newsletter
Support
- Stackoverflow » ask a question and get the best answer possible really fast
SVN
- Unfuddle » subversion hosting with a solid free, private plan
Testing
- Browser Shots » static site verification
- IE Tester » webbrowser that emulates multiple versions of IE
- Multiple IE » install multiple versions of IE
