Corpus analysis toolset from the MITRE Group, including SGML annotation tool. Download, documentation, research.

A Java-based interactive graphical tool for the syntactic annotation of texts within a corpus, guided by the formal framework of Dependency Grammars. Demo, download and documentation.

Open source text database engine, including query-language, for storage and retrieval of linguistic analyses of text. Documentation, download and project updates.

Text tokenization system and toolset, including transducer and separate part-of-speech tagger. License information, sample output, documentation. From the Edinburgh Language Technology Group.