Vote for Reflection Suite for X
Reflection Suite for X is a PC X server, an NFS client, and terminal emulation software all rolled into one. With this multi-purpose solution, you can connect Windows users to applications on UNIX, OpenVMS, IBM, Unisys, and Linux systems. You can also provide easy access to NFS resources.
Reflection Suite for X lets you: Leverage the benefits of new desktop platforms, such as Microsoft Windows XP x64 Edition (native); Work in multiple X screens for a single server instance; Meet the stringent FIPS 140-2 and DOD-PKI security requirement; Protect critical data using Reflection?s fully integrated SSH and Kerberos clients; Provide secure access to multiple hosts with simplified sign-on; Use certificates to authenticate to host applications; Simplify certificate use with Reflection Certificate Manager.