WC.vim

Count number of bytes on current line or in visual block of lines.

vimake

Vimake is a programming aid written in C++ for Linux

vimdoc

produce vim documentation in man, html and LaTeX(PostScript) format

yo-speller

NOTE: this only for russian users! Spell YO letter in the buffer.

wikinotes

Wikipedia syntax with added functionality for taking notes

yiheb-il.vim

Yiddish/Hebrew keyboard map, Israeli layout + finials on shift, Unicode