| AUTASYS - A Fully Automatic English Wordclass Analysis System: A Windows 95/98 compatible tagger developed by Alex Chengyu Fang. Tagsets, samples, documentation. |
| CLAWS Tagger: From the UCREL corpus annotation project. Documentation, free online trial, licensing information. |
| Eric Brill's Home Page: Personal page of this computer scientist, including a download of the groundbreaking "Brill tagger." Source code from 1996, part Perl, part C. |
| General Data Tagger: Perl code in text format from Kristie Seymore. Brief notes. |
| Infogistics Parser/Chunker: Online demo of a system that tags and chunks English into phrases. Freely downloadable for research purposes. |
| Lingsoft's morphological analyzers: Two-level morphological analyzers for English, German, Swedish, Finnish, Danish, and both forms of Norwegian. On-line demos and licensing information. |
| Machinese Phase Tagger: Online demo of this constraint grammar-based tagger for English, French, Spanish, German, Dutch, Italian and Finnish, |
| Memory-Based Tagger Demo: Online tagging of Dutch, Spanish, English, Slovene, Swedish and German text. Extensive list of related research. |
| Monty Tagger: A Brill-Based Part-of-Speech Tagger: Portable tagger with implementations in Python and Java, based on Eric Brill's 1994 tagger. Background and license information, downloads. |
| QTAG: Downloadable Java-powered tagger, from the University of Birmingham. |
| TnT: Trigrams 'n Tags: Statistical part-of-speech tagger trainable on different languages and tagsets. Trained and trainable versions. Online demo, noncommercial licensing information, documentation. |
| TreeTagger: A language independent part-of-speech tagger, available in versions adapted to German and to English. Documentation, downloads, license information, demos. |