コンピュータ・インターネット
UNIX, Linux, Mac OS X, *BSD, Haiku OS, Gadget, Palm, Linux Zaurus, スマートフォン, iPod, howm, Emacs(Carbon Emacs, Ng(Nihongo micro Gnu emacs)), Mozilla Firefox, Opera, Lightweight Language, Python, CMS, Wiki engine, Blog engine, Blosxom, PyBlosxom, Plone, Zope, Semantic Web, Microformats, OpenID, XML, RDF, FOAF, XHTML, CSS, PC, Macintosh, 携帯電話, sysadmin, 英辞郎, Corel Painter, ArtRage