Alembic Workbench: Corpus analysis toolset from the MITRE Group, including SGML annotation tool. Download, documentation, research.
DGA: Dependency Grammar Annotator: 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.
Emdros: Open source text database engine, including query-language, for storage and retrieval of linguistic analyses of text. Documentation, download and project updates.