Screen Sharing

Licence: Freeware
Version 1.0.1 (3500200) | Release Date: 2008-09-15 | Download

UPDATE: 10.5.5 updated the Screen Sharing App to, presumably, fix some bugs. It also removed some functionality intrepid hackers learned to unlock. Never to be outdone, the good folks at Macworld have a new way around this:

Version 1.0 (3000104) | Release Date: 2008-01-02 | Download
No changes specified