NX software hosted here for a quick download:

• The original NX from www.nomachine.com
• NX Windows client, installer: nxclient-3.3.0-6.exe
• NX Web Companion web client: connect to egret; localhost (in case you have to tunnel SSH [port 22] itself to get through difficult firewalls). For all NX sessions started like this, user specificity and persistence comes from login information.