Corpus e Lessico di Frequenza dell’Italiano Scritto (ColFIS)
http://www.istc.cnr.it/material/database/colfis/

Word Frequencies in Written and Spoken English: based on the British National Corpus
http://www.comp.lancs.ac.uk/ucrel/bncfreq/flists.html

Word frequency lists
http://www.edict.com.hk/textanalyser/wordlists.htm

BNC database (A. Kilgarriff)
http://www.kilgarriff.co.uk/bnc-readme.html

Internet corpus wordlist (M. Barlow)
http://corpus.leeds.ac.uk/frqc/internet-en-forms.num

Monde Diplomatique (1987-1997) (J. Véronis)
http://www.up.univ-mrs.fr/~veronis/data/DiploFreq.ZIP

Online Concordancer
http://www.lextutor.ca/concordancers/concord_e.html

ConcApp (Windows)
http://www.edict.com.hk/PUB/concapp/

TextSTAT - Simple Text Analysis Tool
http://www.niederlandistik.fu-berlin.de/textstat/software-en.html

Liste di frequenza (University of Oxford)
ftp://ftp.ox.ac.uk/pub/wordlists/