Toolkit (SDK) for adding full-text indexing and searching capabilities to applications. Ported to a wide range of platforms and highly scalable. Designed for use in both large and small scale systems. Free evaluation download.

Megaputer provides a complete family of unique solutions for Natural Language Text Retrieval and Analysis, Data Mining and Knowledge Discovery in Databases.

Zebra is a fulltext and free-text indexing and retrieval system that conforms to ANSI standard Z39.50. It is very good for indexing and searching highly structured data such as MARC records, and GILS records. The Zebra server is freely available for n...

Create and maintain a search engine using a perl script and database management tool.

Full-text indexing of desktop documents for researchers, journalists, and historians with low indexing overhead 13 percent beyond document space. Also displays the most important words from each document. [Windows 95/98]

Free software for indexing and searching text documents, using full text and field based search, relevance ranked results, Boolean queries, and heterogeneous databases. Support for document types such as HTML, SGML, mail folders, and USMARC.

Develops enterprise software that intelligently processes text-based information using automated information indexing and tagging.

Combined Computer Resources, Inc. (CCR), a software developer and integrator, specializes in customizing and integrating document imaging, COLD report management and workflow software products.

Combine is an open system for harvesting and threshing (indexing) Internet resources.

Search software in 100% Java (J2EE) with parametric, natural language and full-text search capabilities.