HylaFAX is the leading fax server for Unix-like computer systems. It uses a client-server design and supports the sending and receiving of faxes as well as text pages, on any scale from low to very high volumes, if necessary making use of large numbers of modems. It is free software and can be used commercially without charge.
History
Sam Leffler, while working at Silicon Graphics (SGI), wrote a fax server for SGI’s IRIX servers called FlexFAX and released it to the public in June of 1991. Leffler and others worked for several …

SUNNYVALE, Calif. (February 14, 2008)—SGI (NASDAQ: SGIC) demonstrated continued momentum in the HPC market today with the announcement of its acquisition of the core assets of Linux Networx, Inc. and an investment in SGI by Oak Investment Partners and Lehman Brothers.
In exchange for the issuance of SGI common stock, SGI has acquired key Linux Networx software, patents, technology and expertise. Linux Networx is a recognized technology leader in the clustered HPC space and boasts a significant customer base. The acquisition is expected to advance SGI leadership in production-ready high …