Google Fonts - Making the web more beautiful, fast, and open through great typography

Better Web Type - Web typography course for web designers and web developers.

Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.

Typetura - Fluid typography for a fluid web

Font Generator - Tons of font ideas in one click

Whitespaces+ - Boost your typography accuracy with a quick copy paste