I am the maker of TeXcount: a Perl script and web-service for counting words in TeX documents. I follow the texcount and word-count tags, so questions asked here should catch my attention.
4 count words in latex files with input Jun 4 '14
2 Wordcounter package in LaTeX? May 13 '15
2 Counting words with TexCount in quote environment Sep 28 '14
2 TeXcount counting \multicolumn Apr 8 '14