You will need to install these tools.
1. Zilog ZDS2 for ZNEO (not for the Z8encore!) < http://zilog.com/index.php?option=com_zcm&task=sdlp&softtype_id=3 > you will need to register to login to be able to download IDE.
2. Putty Telnet client < http://www.chiark.greenend.org.uk/~sgtatham/putty/ >