A system of public domain software for natural language processing. Includes a formalism for compact grammar description, parser generation system, transduction tool.

Tool for semi-automatic graphic annotation of corpora. License, documentation, screenshot. Requires GCC and MySQL, in addition to registration.

Proprietary tools for the lexical work on the Spanish language. Free demo, documentation.

Language parsers and taggers for English, German, French, Spanish, Italian, Dutch, Finnish and Swedish. On-line parser demos and limited documentation available.

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.

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

Collaborative organization for open source projects related to natural language processing. Lists ongoing projects and documents proposed standard Java and XML APIs.

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.

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.

UNIX tools for the analysis and synthesis of text, from Sussex's John Carroll. GZIP downloads, descriptions, related publications.