This is the TransparenTag File System project ("transparentag")
This project was registered on SourceForge.net on Oct 22, 2008, and is described by the project team as follows:
Replaces traditional file system with tagged cloud.Data and tags are stored as regular files, so if something goes wrong, your data and tags won't disappear.It is for developers also,so you can keep your files tagged and your build tools would still work
To join this project, please contact the project administrators of this project, as shown on the project summary page.
Source code for this project is available through Subversion SCM repository used by the project, as accessible from the project summary page.