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This article presents a timeline of events related to popular free/open-source software. For a narrative explaining the overall development, see the related history of free and open-source software. The Achievements column documents achievements a project attained at some point in time (not necessarily when it was first released).
Timeline of free and open-source software (1976–present) Timeline of hypertext technology (1945–2001) Timeline of computer viruses and worms (1966–present) Timeline of social media (1979/1980–present) Timeline of Linux kernel development (1991–present) Timeline of computing; Microprocessor chronology; Timeline of programming languages
Timeline of computing presents events in the history of computing organized by year and grouped into six topic areas: predictions and concepts, first use and inventions, hardware systems and processors, operating systems, programming languages, and new application areas.
Timeline of computing 1980–1989; ... Timeline of file sharing; G. ... Timeline of free and open-source software;
In the early 1980s, the so-called DECUS tapes [27] were a worldwide system for the transmission of free software for users of DEC equipment. Operating systems were usually proprietary software , but many tools like the TECO editor, Runoff text formatter, or List file listing utility, etc. were developed to make users' lives easier, and ...
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Before the microcomputer, a successful software program typically sold up to 1,000 units at $50,000–60,000 each. By the mid-1980s, personal computer software sold thousands of copies for $50–700 each. Companies like Microsoft, MicroPro, and Lotus Development had tens of millions of dollars in annual sales. [37]
Event March 1981 UK Sinclair ZX81 was released, for a similar price to the ZX80 (see 1980). 8 April 1981 US Osborne 1 portable computer introduced; the company sold many units before filing for bankruptcy only two years later. 12 August 1981 US IBM announced their open architecture IBM Personal Computer. [2] 100,000 orders were taken by ...