ZhGrep - DAAV's freeware toolkit to do full-text search on plain-text files is hereby publicly released. Although named with "Unicode", it is able to search plain-text files saved in any encodings, from ASCII to GB-2312/18030, from UTF-8 to UTF-32, and files written in any languages, from English to Arabian, from Hebrew to Chinese.
ZhGrep is a member of DAAV's toolits for desktop computers.