Neatx is an Open Source NX server, similar to the commercial NX server from NoMachine. If you're not familiar with NX, these links might help:
* NoMachine's “Getting Started With NX”
* NoMachine's “Introduction to NX technology”
* Wikipedia article on NX technology
This is the HTML version of the Open Web Tools Directory, a Mozilla Labs experiment to catalog the expansive universe of tools related to creating web applications based on open standards; see the announcement blog entry for more information.