Levenshtein demonstration -- An online demo and explanation of the Levenshtein algorithm

How to map difference between geographic areas -- The visualisation part of the L04 software explained in layman's terms

Peter Kleiweg's research on LAMSAS (Linguistic Atlas of the Middle and South Atlantic States)

Wilbert Heeringa's research on Dutch dialects

Determinants of Dialectal Variation

Forschungsinstitut für deutsche Sprache -- Deutscher Sprachatlas

L04 wrapping stuff

Das Dialektometrieprojekt der Universität Salzburg -- VDM software, for Windows only

The R Project -- A language and environment for statistical computing and graphics

GRASS -- Geographical Information System