Jtext
(English Windows)
This program allows you to type Japanese using the standard keyboard. If you know how to type Japanese in Japanese Windows, then the rules are pretty much the same. The program supports Kanji.

NJWIN
(English Windows)
This program allows you to decode three languages: Chinese, Japanese, and Korean if your Windows does not support them.

NJStar (CJK Viewer)
(English)
This is the official download for the NJStar software. This software allows you to decode Chinese, Japanese, and Korean on your computer. However, it does NOT allow you to type C/J/K on your computer.

Microsoft Global IME 5.02 for Japanese
(English)
This software is for Microsoft Internet Explorer. It allows you to read and language you choose.