Submit portable freeware that you find here. It helps if you include information like description, extraction instruction, Unicode support, whether it writes to the registry, and so on.
License: although worded slightly different, the information in the readme file looks like the MIT license (http://opensource.org/licenses/MIT)
The program appears to work without a taskbar or notification area icon. I'm not terribly clear on the configuration options as the readme file appears to be in (mostly) Japanese.