Online Resources

Corpora

Corpus Resource Database (CoRD)
International Corpus of English (ICE)
BYU Corpora
Corpora accessible via CQPweb (e.g. British National Corpus (BNC) and Brown Family)

Databases

The Atlas of Pidgin and Creole Language Structures Online (APiCS)
Dictionary of American Regional English (DARE)
The electronic World Atlas of Varieties of English (eWAVE)
The World Atlas of Language Structures (WALS)
Varieties of English

Dialect samples

British Library "Sounds Familar? Accents and Dialects of the UK"
Dialects of English (Edinburgh University Press)
International Dialects of English Archive (IDEA)
Language Varieties Web Site (hosted by the University of Hawaii)
Lowlands-L (one story in many dialects and languages)
University of Virginia Library Digital Collections
World-English website (with links to English-language radio stations around the world)

Software

AntConc (freeware corpus analysis software)
AntCorGen (freeware corpus creation tool)
ELAN (transcription and annotation of language data)
Praat (phonetic anaysis toolkit)
R and RStudio (statistical computing and graphics)
TagAnt (freeware Part-Of-Speech (POS) tagger)
WordSmith Tools (commercial corpus analysis software)