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Definition: Lotus


(IBM Lotus, formerly the Lotus Software Group, www.lotus.com) A major software company founded in 1981 by Mitch Kapor. It achieved outstanding success by introducing Lotus 1-2-3, the first spreadsheet for the IBM PC. Over the years, it developed a variety of applications and helped set industry standards.

In 1989, Lotus introduced Lotus Notes, the first major groupware product, which continues to be a strong contender in this arena. In 1990, it acquired Samna Corporation, developers of the popular, Windows-based Ami word processors. Lotus was acquired by IBM in 1995 and operates as one of its software brands, along with Rational, Tivoli and WebSphere. See Lotus 1-2-3 and Lotus menu.




Mitchell D. Kapor
Mitch Kapor was the founder of Lotus and co-programmer of Lotus 1-2-3. The Lotus spreadsheet helped make the IBM PC an outstanding success within a few years of its introduction. Later, Kapor founded the Electronic Frontier Foundation (EFF). (Image courtesy of ON Technology, Inc.)