Software History

A deeper look at why IBM sold much of its aging of software products to HCL.

Lotus Development Corp. finally accepteda sweetened, $3.5 billion buyout offer from IBMlate Sunday, turning what would be the software industry's largest hostile takeover into its...

"It's fair to say that by 1995, OS/2 was dead software walking," remembers a new article from the Register (which begins with a 1995 Usenet post from Gordon Letwin, Microsoft's lead architect on the OS/2 project). But the real question is why this Microsoft-IBM collaboration on a DOS-replacing ope...

The story of VisiCalc reads like a perfect Silicon Valley origin tale—a brilliant idea born in a Harvard classroom, transformed into reality by two MIT alumni, and ultimately reshaping the entire personal computer industry. Released Read more…

IBM has a competence in acquiring software companies, beginning in 1995 with Lotus. Some lessons were well documented in a rather complete article in Strategy + Business, describing the role that J…

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enlyft industry research shows that IBM Lotus Notes has a market share of about 5.61% compared to leading competitors Microsoft SharePoint, Microsoft Teams and Workplace by Facebook.

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Word and Excel were far from industry leaders when they first launched. They were late to the market and second rate, at best. This is the story of how Microsoft came up with the Office bundle — and how, over the next decade, it won.