Unison (Usenet client)
Unison is a shareware Mac OS X client for Usenet, developed by Panic Software. It supports binary file downloading, group browsing and segmenting and error checking utilities. The software won the Apple Design Award for Best Mac OS X User experience in 2004, as well as being a runner-up in the "Best product" category.
On 6 November 2014 Panic Software announced, with the release of version 2.2, that all further work on Unison had been discontinued. Unison is still available for download and no longer requires a purchased license; however, it is unsupported by Panic.