[Tools] Three Little Web Development Tools
Regarding FullSource and ToggleBorders, it has been a long time since I have seen so much useful functionality in so little space (less than 4K for both)!
An old friend just reminded me that the Web Developer Extensions for Firefox offer similar tools for that fine browser (my default browser, in fact, even though I spend a lot of time in MSIE because that's what we .NET'ers regularly target for our ASP.NET-based products). If you develop for Firefox, you will definitely want this great extension toolbar.