delicious.com (previously del.icio.us) encrypted bookmarks creates bookmarks which are private even from delicious by encrypting them using blowfish encryption

Highlight alternate rows on reddit.com

Display the availability of a book in the San Francisco Peninsula (CA, USA) Library System on amazon.com, other bookstores and wikipedia book pages

Finds RSS and/or Atom links on a page and inserts feed subscription links for use by aggregators.

Make the content on edge.org pages use full page width available

Adds a comments link next to link history/popularity link to allows viewing of comments made by other users inline.

Del.icio.us soft green restyle enhanced skin with image preview linking and styling pulled from various sources