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http://forums.eagle.ru/showthread.php?t=41468 (http://forums.eagle.ru/showthread.php?t=41468)
Since half a year, I have develop from scratch a new LotATC software ( LockOn Air Traffic Control).
After some release, we get now the 2.0.5 version. Compare to the LotATC v1 made by Brothers and Doug, there is a lot of new features. It is difficult to give you a full list but here is the most important one:
Optimized for low network bandwidth
Internal chat to chat between controler
SVG map and additional maps from LockOn
All units can be tags and rename, all is automatically shared between coalition controlers
highly customizable ( target labels, UI, server config)
Choice between standard and realist radar model
Manage LockOn AWACS, EWR and all LockOn radars
Mission replay (with seek forward/backward/pause/resume)
show mission waypoints on map (there is some pb with it on 2.0.5)
can load/save server config
TeamSpeak support
metric/imperial unit
...
You can have more information and download links on the project page (english) : http://lotatc.dartsite.org/ (http://lotatc.dartsite.org/)
Some screenshots can be found on my blog (in French, but you will have screenshot ) : http://www.dartsite.org/wordpress/tag/lotatc/ (http://www.dartsite.org/wordpress/tag/lotatc/)

If you are interested by translate/help the project you are welcome! We are currently 2 developers, 1 spanish translator and a lot of testers from http://www.3rd-wing.net (http://www.3rd-wing.net) (Thanks to all)

The software is in heavy development with lot of new features (you can see the roadmap on the project page), but it is stable and useable. I am in the http://www.3rd-wing.net (http://www.3rd-wing.net) squadron where we use it every weeks officially since some month with success.

A forum is available for help/bug/development (English and French):
http://forum.dartsite.org (http://forum.dartsite.org)