Software companies established in 1980

QNX ( or ) is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market.

Broderbund Software, Inc. (formerly stylized as Brøderbund) was an American maker of video games, educational software, and productivity tools. Broderbund is best known for the 8-bit video game hits Choplifter, Lode Runner, Karateka, and Prince of Persia (all of which originated on the Apple II), as well as The Print Shop—originally for printing signs and banners on dot matrix printers—and the Myst and Carmen Sandiego games. The company was founded in Eugene, Oregon, and moved to San Rafael, California, then later to Novato, California. Broderbund was purchased by The Learning Company in 1998.

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software development company

Ashton-Tate Corporation was a US-based software company best known for developing the popular dBASE database application and later acquiring Framework from the Forefront Corporation and MultiMate from Multimate International. It grew from a small garage-based company to become a multinational corporation. Once one of the "Big Three" software companies, which included Microsoft and Lotus, the company stumbled in the late 1980s and was sold to Borland in September 1991.

Unit4 is an Enterprise Resource Software company that designs and delivers enterprise software and ERP applications and related professional services for people in services organizations, with a special focus on the professional services, education, public services, and nonprofit sectors. It has subsidiaries and offices in 23 countries across Europe, North America, the Asia-Pacific region and Africa.