Anyrail is a good program. The 50 piece limitation can be worked around-- Just save the first part, then start another part with a new name. If you need more parts,just keep doing it in 50 piece chunks . As to the Atlas O Right Track freeware, it is no longer available. The link is still on the website, but it goes to a page that states "Atlas is no longer providing layout software at this time". guess Gunther wanted more money-- If you want the "atlas" product, google "winrail"
I use RR-Track pretty much exclusively now. it's the best i've used, but it is expensive!
hope this helps--