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TreeTagger - http://www.ims.uni-stuttgart.de/projekte/corplex/TreeTagger/DecisionTreeTagger.html
A language independent part-of-speech tagger, available in versions adapted to German and to English. Documentation, downloads, license information, demos. |
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CLAWS Tagger - http://www.comp.lancs.ac.uk/computing/research/ucrel/claws/
From the UCREL corpus annotation project. Documentation, free online trial, licensing information. |
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TnT: Trigrams 'n Tags - http://www.coli.uni-saarland.de/~thorsten/tnt/
Statistical part-of-speech tagger trainable on different languages and tagsets. Trained and trainable versions. Online demo, noncommercial licensing information, documentation. |
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Lingsoft's morphological analyzers - http://www.lingsoft.fi/demos.html
Two-level morphological analyzers for English, German, Swedish, Finnish, Danish, and both forms of Norwegian. On-line demos and licensing information. |
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Machinese Phase Tagger - http://www.connexor.com/demo/
Online demo of this constraint grammar-based tagger for English, French, Spanish, German, Dutch, Italian and Finnish, |