From Conklin Systems:
CS Online is a VT100/ANSI terminal emulator and Telnet client for Palm OS organizers. Connect to Unix systems, configure routers and reprogram embedded computers. Then use Hex mode and extensive logging options turn your handheld into a data stream analyzer and recorder. With CS Online you can leave the laptop behind.
Telnet, VT-102/ANSI, TTY and Hex Emulations
Connect via Serial, IR, Bluetooth, 802.11 WiFi or Modem
XModem, XModem-1K, and YModem send and receive of files with VFS
Full 80 column display on a single screen (select hi-res handhelds)
80*24 display on low-res devices using a virtual screen
Supports new serial manager and multiple virtual serial ports, CF cards, IR, etc.
Large 32K buffer mode for data intensive applications
Hex Terminal mode for serial debugging. See data in hex/ascii format.
Assigned custom key mapping of 4 tool bar buttons and 4 hardware buttons
VT-100 special keys menu with PF1-PF4, DEL and BREAK