Automatic Mapping Among Lexico-Grammatical Annotation Models (AMALGAM) is a free, longstanding tool for tagging text according to part of speech (PoS) from Leeds University. It includes eight PoS tag schemes, and a Multi-Tagged Corpus of samples tagged with various schemas.
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The site is currently down. An archive of it: https://web.archive.org/web/20161221220652/http://www.scs.leeds.ac.uk/ccalas/amalgam/amalghome.htm