Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.
Dustman - Firefox extension to close unused tabs.
IsYourLinkSad? - Is Your Link Sad. Make It Happy. Share your URLs to people who actually care.
Tab Wrangler - Automatically closes inactive browser tabs
The Bored Hoard - Sieve the web for cool websites you probably never knew existed. Supporting the smaller independent sites that Google ignores. All revealed in a weekly box delivered online every Friday.
Symgi - Symgi - New minimal and pure bookmark site. Open multiple or singular links from bookmark groups.