Interleaf

Interleaf was a company that produced a technical publishing software product with the same name. It was a competitor of the Adobe FrameMaker[?] product. Interleaf was acquired by BroadVision[?] in Jan 2002.

External links: http://www.interleaf.com, http://www.broadvision.com

In books interleaf refers to a page, often of tissue or other thin paper, used to provide protection to illustrations.