Cygnus Solutions

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Cygnus Solutions, originally Cygnus Support, was founded in 1989 by John Gilmore, Michael Tiemann and David Henkel-Wallace to provide commercial support for free software. Its tagline was: Making free software affordable. Cygnus is a recursive acronym for "Cygnus, Your GNU Support".

For years, employees of Cygnus Solutions were the maintainers of several key GNU software products, including the GNU Debugger and GNU Binutils (which included the GNU Assembler and Linker). It was also a major contributor to the GCC project. Cygnus developed BFD, and used it to help port GNU to many architectures, in a number of cases working under non-disclosure to produce tools used for initial bringup of software for a new chip design.

Cygnus was also the original developer of Cygwin, a POSIX layer and the GNU toolkit port to the Microsoft Windows operating system family, and of eCos, an embedded real-time operating system.

On November 15, 1999, Cygnus Solutions announced its merger with Red Hat, and ceased to exist as a separate company in early 2000. As of 2007, a number of Cygnus employees continue to work for Red Hat, including Tiemann, who serves as Red Hat's Vice President of Open Source Affairs, and formerly served as CTO.