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The XFree86 Project uses a modified MIT License for XFree86 version 4. 4 onward.
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XFree86 and Project
** The Linux XFree86 HOWTO, Linux Documentation Project.
It is developed by the XFree86 Project, Inc.
In February 2004, with version 4. 4. 0, The XFree86 Project adopted a license change that the Free Software Foundation considered GPL incompatible.
The XFree86 Project states that the license is " as GPL compatible as any and all previous versions were ", but does not mention which version or versions of the GPL this is valid for.
The XFree86 Project used the MIT / X11 license until 2004, when Dawes, as the XFree86 president, decided to license XFree86 4. 4 under the newly devised XFree86 License 1. 1.
Dawes still heads the XFree86 Project and maintains XFree86 without corporate sponsorships ; however, the last release of the software was in 2008.
* Using Xinerama to MultiHead XFree86 V. 4. 0 +-HOWTO from The Linux Documentation Project.
This logo is a trademark of the XFree86 Project, Inc.
XFree86 and uses
It is also possible to use XFree86 in a framebuffer device, which in turn uses a kernel graphics card driver.
XFree86 and modified
This " advertising clause " ( since disavowed by UC Berkeley ) is present in the modified MIT License used by XFree86.
XFree86 and MIT
XFree86 originated in 1992 from the X386 server for IBM PC compatibles included with X11R5 in 1991, written by Thomas Roell and Mark W. Snitily and donated to the MIT X Consortium by Snitily Graphics Consulting Services ( SGCS ).
In March 2003, the XFree86 organization expelled Keith Packard, who had joined XFree86 after the end of the original MIT X Consortium, with considerable ill feeling.
Versions of XFree86 up to and including some release candidates for 4. 4. 0 were under the MIT License, a permissive, non-copyleft free software license.
He has been heavily involved in the development of X since the late 1980s as a member of the MIT X Consortium, XFree86 and the X. Org Foundation.
XFree86 and License
* XFree86 License
It is free and open source software under the XFree86 License version 1. 1.
The newer terms are referred to as the XFree86 License 1. 1.
Many projects relying on XFree86 found the new license unacceptable, and the Free Software Foundation considers it incompatible with the version 2 of the GNU General Public License, though compatible with version 3.
FreeType is released under two free software licenses: the GNU General Public License or a permissive license with an acknowledgment clause similar to that of the current license of XFree86 ( the acknowledgment clause renders it incompatible with version 2 of the GNU GPL, though it is compatible with GPL version 3 ).
XFree86 and for
XFree86 started as a port of X for 386-compatible PCs and, by the end of the 1990s, had become the greatest source of technical innovation in X and the de facto standard of X development.
X. Org and XFree86 began discussing a reorganisation suited to properly nurturing the development of X. Jim Gettys had been pushing strongly for an open development model since at least 2000.
Other groups saw it as against the spirit of the original X. Theo de Raadt of OpenBSD, for instance, threatened to fork XFree86 citing license concerns.
XFree86 consists of client libraries used to write X applications (" clients "), and an X server responsible for the display.
These are generally managed directly by XFree86, so it includes its own drivers for all graphic cards a user might have.
As Linux grew in popularity, XFree86 rose with it, as the main X project with drivers for PC video cards.
XFree86 used to have a Core Team which was made up of experienced developers, selected by other Core Team members for their merits.
Hours before the feature freeze window for XFree86 4. 3. 0 started, he committed the XFIXES extension, without prior discussion or without review within the Core Team.
A short time later, Keith Packard created xwin. org, which mainly served as a meeting point for cultivating the XFree86 fork.
While this was claimed to be the fork of XFree86, Keith Packard later refined this to " a forum for community participation in X ".
Many software packages can read and display the EDID information, such as read-edid and PowerStrip for Microsoft Windows and XFree86 ( which will output the EDID to the log if verbose logging is on ()) for Linux and BSD unix.
* The means to an X for Linux: an interview with David Dawes from XFree86. org ( Matthew Arnison, CAT TV, June 1999 )
The immediate reason for the fork was a disagreement with the new license for the final release version of XFree86 4. 4, but several disagreements among the contributors surfaced prior to the split.
Note that users who wish to use this free version, as supplied by the realvnc. com site, may need ( for example ) to patch and compile the XFree86 source code by themselves, as the free binaries available for download are outdated and typically fail to operate in modern environments.
The XFree86 logfile is a text file, written by the XFree86 program, and designed to be useful for people who are trying to diagnose problems they are having with getting XFree86 to work.
XFree86 and version
In 1999, the XFree86 team joined X. Org as an honorary ( non-paying ) member, encouraged by various hardware companies interested in using XFree86 with Linux and in its status as the most popular version of X.
Finally, in an echo of the X11R6. 4 licensing dispute, XFree86 released version 4. 4 in February 2004 under a more restrictive license which many projects relying on X found unacceptable.
Gettys and Packard had taken the last version of XFree86 under the old license and, by making a point of an open development model and retaining GPL compatibility, brought many of the old XFree86 developers on board.
On the other side, XFree86 is still being developed at a very slow pace, and version 4. 8. 0 was released on 15 December 2008.
The DRI first appeared in XFree86 version 4. 0 and became standard in X11R6. 7 and later and this work is ongoing.
While XFree86 was used in most distributions before its license change with version 4. 4. 0, it has mostly been replaced by its fork X. org and is used rarely nowadays.
Since version 4. 0, XFree86 has supported certain accelerated 3D graphics cards via the GLX and DRI extensions.
In 1999, XFree86 was sponsored onto X. Org ( the official industry consortium ) by various hardware companies interested in its use with Linux and its status as the most popular version of X.
Some projects made releases ( notably OpenBSD 3. 5 and 3. 6, and Debian 3. 1 " Sarge ") based on XFree86 version 4. 4 RC2, the last version under the old license.
The first version, X11R6. 7. 0, was forked from XFree86 version 4. 4 RC2 to avoid the XFree86 license changes, with X11R6. 6 changes merged in.
X11R6. 7. 0, the first version of the X. Org Server, was forked from XFree86 4. 4 RC2.
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