Fleck.com - Annote the webBookmark and AnnotateSave and share interesting websites, add sticky notes to pages and collaborate in real time Collective mindSave the best of the web. Work in groups and start building your collective knowledge base together. FriendcastAutomatically broadcast your flecks to your friends on Twitter, Jaiku, Plaxo, rss readers, email, etc
netPlant -- ブックマーク連携型検索エンジン
