EchoVNC is a secure, "firewall-friendly" remote-desktop tool based on Ultr@VNC with echoWare integration. With it, a Windows PC can be remotely accessed regardless of firewall, router or web-proxy configuration.
o Zero-install, zero-config, "single-click" firewall-friendly
remote support & file-transfer server based on VNC.
o Easily customizable: just startup while holding down the SHIFT key.
o With the 1.36 release, customizable desktop icon as well as splash screen.
o A "dynamic-DNS" capability for VNC Servers without static IP
o End-to-end data security with OpenSSL's 128-bit AES encryption
o Support for HTTP, SOCKS and ISA/NTLM web-proxies
o Improved support for Windows Vista, with and without UAC controls.
Tools and Utilities
Product page: here