There are a number of commercial and open-source 5250 emulators available. Here is a short list:
- tn5250 -- (License: LGPL) Linux/Unix curses based 5250 emulator. The tn5250 project also produces lib5250, the backend for several other emulators. Also runs under Windows.
- tn5250j -- (License: GPL) Java swing based 5250 emulator.
- x5250 -- (License: GPL) X11 based 5250 emulator which uses lib5250.
- xtn5250 -- (License: Apache) Java swing based 5250 emulator.
- extjs5250 -- (License GPLv2) extjs front end for tn5250j.
- cute5252 -- (License BSD 2 clause)
- vb5250 -- (License: GPLv3) VB.NET based 5250 emulator.
- qtn5250 -- (License: Public Domain) Qt based TN5250 generator with Mac and Linux builds.