If you're looking for inspiration code-wise, look at uzbl (see http://uzbl.org/ ...

perlgeek on Aug 20, 2011 | parent | context | favorite | on: Show HN: I am building a next-gen browser

If you're looking for inspiration code-wise, look at uzbl (see http://uzbl.org/ ) which is basically the simplest browser you can possibly build on top of webkit.