| AFGL Project: Affix Grammars over a Finite Lattice: A system of public domain software for natural language processing. Includes a formalism for compact grammar description, parser generation system, transduction tool. |
| Annotate: Tool for semi-automatic graphic annotation of corpora. License, documentation, screenshot. Requires GCC and MySQL, in addition to registration. |
| ARIES Natural Language Tools: Proprietary tools for the lexical work on the Spanish language. Free demo, documentation. |
| Cogilex: Company offering expert services and customized tools for natural language processing. Site features demo download of the "QuickTag and QuickParse" utility for Windows, also online tools. |
| Connexor Parsers: Language parsers and taggers for English, German, French, Spanish, Italian, Dutch, Finnish and Swedish. On-line parser demos and limited documentation available. |
| GATE: General Architecture for Text Engineering: A computer architecture for a broad range of Natural Language Processing tasks, available under the GNU Public License. Abundant documentation, Java class library, web-based demos. |
| GroupLens: An experimental collaborative filtering service based on "Better Bit Bureaus" which is itself a collaborative venture between Paul Resnik of the Center for Coordination Science at MIT and Brad Miller and others at the University of Minnesota |
| KPML Access Page: Graphically based language engineering program, developed for working with large-scale grammars under the Systemic Formal Linguistics framework. Downloadable program images, documentation, resources and source code. |
| Morphological and Orthographic Tools for English: UNIX tools for the analysis and synthesis of text, from Sussex's John Carroll. GZIP downloads, descriptions, related publications. |
| Natural Language Software Registry: A directory of academic, commercial and proprietary software with specifications and licensing terms. From DFKI Saarbrücken. |
| OpenNLP: Collaborative organization for open source projects related to natural language processing. Lists ongoing projects and documents proposed standard Java and XML APIs. |
| Public Domain Language Engineering Generic Tools: Lecture by Tomaz Erjavec, including text, slides and links. From the 1996 TELRI conference. |
| Senga: Information Retrieval Software: Senga is a development group focused on information retrieval software. The primary purpose of the components distributed on Senga is to build a large scale internet search engine. |
| TextAI: Text Analysis International: Provides NLP applications based on its proprietary VisualText technology. Product and service information, online software tour, some documentation. |
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