Paratext is an independent library collection analysis and research database provider, based in Leesburg, Virginia.

Paratext was founded in 1993 by Eric M. Calaluca, who serves as company President.

Robert F. Asleson served as Paratext Chairman from 2001-2010.

Dean M. Wilder served as Chief Software Architect from 1998-2021.

Paratext editors, designers and programmers have decades of experience creating innovative scholarly information systems.

Paratext products are available via institutional license, and are used by research, college and public libraries in North America and throughout the world.

To contact Paratext, please visit here.

“For libraries supporting emerging academic programs or undergoing resource realignment, bird & nest offer a powerful means to inform evidence-based decisions.”— Katina Magazine

Eight Centuries is the most comprehensive research tool for 19th-century studies. It should be the researcher's first stop to explore the literature. 5 Stars!“ — The Charleston Advisor

“My advice is to subscribe to Reference Universe and teach its use regularly. Users will be amazed at the quality of information they can find!” — Head of Reference, Northern Illinois University

“U.S. Masterfile is designed by people who know historical finding tools and how to bring them together in a seamless interface. “ — Documents Librarian, Johns Hopkins University

“Eight Centuries doesn't force the researcher to know which niche index to search. That is a huge time saver.”—Georgetown University, Literature Librarian

Reference Universe is a godsend for reference librarians.” — Oxford Guide to Library Research, 4th edition.

bird: Chosen Best Overall New Product and Best Designed New Product — Charleston Conference 2023.