| Name | Description |
|---|---|
| 43things GeoSearch | Enables you to search and map goals from people on 43things.com. Built with Yahoo Pipes. |
| keotag | A meta-search engine using tagging services such as RawSugar, delicious, and Technorati |
| Tagbulb | Tagbulb simplifies tag search by aggregating content from various sources like Flickr, YouTube and many more. Users can browse by content type like images, videos, blogs, bookmarks, podcasts, products, books etc. |