Uim is an input method module library which supports various scripts and can act as a front end for a range of input methods, including Anthy, Canna, PRIME, or SKK (for Japanese), Pinyin (for Chinese), Byeoru (for Korean), and M17n (for many other languages). Most of its functions are implemented in Scheme, so it's very simple and flexible.

xCHM is a viewer for Compiled HTML Help (CHM) files. It can show the contents tree if one is available, print the current page and do the usual history stunts. It allows one to change fonts and search for text in all the pages of the file, or in the page's titles.

MediaInfo is a utility used for retrieving technical information and other metadata about audio or video files.