Eclipse was created by Clark Yennie, David Berger, Steve Grundt, Rick Montegna and Scott Raderstorf. Yennie designed the system and built its ETERM user interface, it's development language, its database and its prototype programs between 1988 and 1990. Berger, Grundt and Montegna incorporated the company as Eclipse, Inc. in 1990. Building on the prototypes written by Yennie, the applications were first designed on storyboards by Berger, Grundt and Montegna, and programmed primarily by Yennie. Raderstorf joined as a programmer in early 1991. CEO Mike London also joined the company in 1991. Eclipse's first beta site was Best Plumbing, Tile and Stone. In 2003 Eclipse was acquired by Intuit, which was later acquired by Activant, which later merged with Epicor. Today Eclipse is used by about 800 distributors in North America.

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