Semanlink is a personal information management system based on RDF. It lets you add tags, as well as other RDF metadata, to files, bookmarks and short text notes that it allows to write. Providing a simple way to organize the tags in a graph, it allows yo
Enter what you're reading or your whole library—it's an easy, library-quality catalog. Because everyone else is doing it too, LibraryThing connects you with people who read the same things.
Wordle is a toy for generating “word clouds” from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to the Wordle gallery to share with your friends.
In classical cartography, people label "points of interest" on maps based on knowledge and research. In the TagMaps, the map points of interest emerge from the assortment of tags of geotagged photos