5250 Screen Emulator
The 5250 Emulator is probably the main thing we all use right?
This emulator has a very nice feature of using embedded tabs for different signon sessions (just like your browser):
Having used IBM i ACS for several months now -- it's a huge improvement over the old Client Access Windows Software. It's smoother, faster and the green screen and IFS integration is much better.
Let's have a look at it in action: