All templates listed down here is available for free and it is Open Source. Which means you can edit the template as you wish with no permission from us.
goGreen
The template has very elegant looks. It is completely free and W3C Compliant. Also the template is lite and loads fast on slower connection.
High5 is simple but very elegant theme with futuristic design and sports fresh colors. This template is W3C compatible and loads fast even on slower connections.
SkyLyne is an elegant web template which is suitable for your personal site and as well as for your decent professional site. The template is light on bandwidth and can tweaked easily.