Six Apart, makers of Movable Type blogging software and Typepad histed bloggin solution, has received $12 million in a third round of funding for use in new products, international expansion and network growth. The latest round was led by Focus Ventures. Also taking part were Intel Capital, and prior Six Apart investor August Capital.

This brings the funding Six Apart has raised to roughly $23 million since its inception. Six Apart plans to use the financing in part to help launch a new service, code-named Comet…The service aims to extend the blog and social networking craze among young people to an older, more mainstream crowd looking to create private, text and photo sharing sites for their families and friends.

Also read SiliconBeat’s coverage of the funding...