You might enjoy this project I put together:
https://github.com/skx/bookmarks.public/
Demo:
http://skx.github.io/bookmarks.public/
New bookmarks are just appended to a data-file, and jQuery/javascript magic makes it easy to discover things. I store my own bookmarks in a git-repository so I can clone to ~/Repos/personal/bookmarks/ on each of my systems.