Discover and manage administrator, service, and web app passwords, keys, and identities. Automate management with approval workflows. Centrally control, audit, monitor, and record all access to critical IT assets.
Dayon! is an open source remote desktop and assistance solution.
It is easy to use, secure, requires no registration and is free for personal and commercial use!
TightVNC is an improved version of VNC, great free remote-desktop tool. The improvements include bandwidth-friendly "Tight" encoding, file transfers in the Windows version, enhanced GUI, many bugfixes, and more.
ARD is a remote administration tool for Unix/Linux & 95/98/ME/NT/2000 systems. Based on VNC technology , you can use ARD of the VNC to interact with a remote computer as though it's right next to you. ARD is great free remote-desktop tool.