Corpora for English

For languages other than English, see List of resources by language.

Free and Downloadable

• American National Corpus (ANC)
• Congressional floor-debate transcripts, with support/oppose labels
• Dialogue Diversity Corpus
• English stop words (from SMART)
• Groningen Meaning Bank semantically annotated corpus
• Project Gutenberg
• HamleDT, harmonized dependency treebanks of many languages, common annotation style.
• Hutter Prize for Lossless Compression of Human Knowledge 100M sample of Wikipedia
• Large Text Compression Benchmark's 1G sample of Wikipedia
• Movie Review Data
• Multiword Expression Resources
• Susanne: Annotated American English Corpus
• The Brooklyn-Geneva-Amsterdam-Helsinki Parsed Corpus of Old English
• The LUCY Corpus - Documentation
• TRAINS Dialogue Corpus
• UMBC Webbase Corpus
• UN parallel corpora
• VP Ellipsis corpus
• WMT corpora, including Europarl, News Commentary, and News Crawl

Proprietary or Require Prior Permission

• Araneum Anglicum, Gigaword English web corpus
• Araneum Anglicum Asiaticum, Gigaword Asian English web corpus
• British National Corpus (BNC)
• ClueWeb
• Corpus of Spoken Professional English
• English Intonation in the British Isles -The IViE Corpus
• English Verb Classes And Alternations: A Preliminary Investigation (Index)
• GOV2 Corpus - 426 gigabytes of text
• Multi-Perspective Question Answering (MPQA)
• Oxford English Corpus
• Sketch Engine
• WaCky
• WebCorp

Link collections

• Collections of texts and corpora
• Manuel Barbera: General Corpora and Corpus Linguistics Resources
• Annotated list of resources on statistical NLP and corpus-based CL

Corpora tools

• List of stop words
• Poliqarp - open source XML-aware indexer, search engine and concordancer
• The Sketch Engine
• Treebank tokenization scheme