And in network management I mean true network elements (not servers). Besides the pure Cisco shops that run CiscoWorks (because they HAVE to) I have typically seen Kiwi Cattools (I use it myself - great product) and Solarwinds. I know there are other options out there like Adventnet.com's DeviceExpert but I honestly have not run into a lot of folks who have run anything else except CiscoWorks, Cattools and Solarwinds. It sounds funny but I think there is a ceiling when it comes to what folks are willing to use.
I mean honestly, how many tftp servers do you use or are willing to try? If you have Solarwinds you are using that one, otherwise it is Pumpkin or the really old free Cisco one (which has serious limitations - what are you thinking?). Granted there is WinAgent and tftpd32 out there but I would make a guess that most folks are using Pumpkin or Solarwinds.
It is just interesting how that works...