Remote Keyboard 1.0
"Remote Keyboard is a program that connects PC keyboard and mouse to your Pocket PC over ActiveSync connection or TCP/IP network. It works as a Soft Input Panel (SIP), also called input method, along with Keyboard, Letter Recognizer or Transcriber in Pocket PC devices.
Remote Keyboard supports non-windows machines to connect via telnet protocol. You can use Linux or Unix workstation keyboard too. It is fast that your mouse pointer moves smoothly on Pocket PC screen, and your key inputs appear instantly."