Using Cyberduck!

Color Picker: figure out the hex code for any color in the rainbow.

HTML codes: Some common HTML tags

Web Safe Fonts

Google WebFonts: Need a different font? Here's where you can find some.

Indexhibit Forum: Here's a post with a bunch of particularly useful threads.

Inspirational Indexhibiting:
http://www.planktongroup.com/
http://www.naturehumaine.com/en/
http://www.zachstarrweiss.com/