license: FSFUL<br/>
1992-2015 Free Software Foundation,Inc<br/>
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license: FSFULLR<br/>
1996-2018 Free Software Foundation,Inc<br/>
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license: FSFULLRWD<br/>
1996-2018 Free Software Foundation,Inc<br/>
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license: GPL-2.0-or-later WITH Autoconf-exception-generic<br/>
1996-2018 Free Software Foundation,Inc<br/>
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license: GPL-2.0-or-later WITH Libtool-exception<br/>
1992-2015 Free Software Foundation,Inc<br/>
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license: GPL-3.0-or-later WITH Autoconf-exception-generic-3.0<br/>
1992-2018 Free Software Foundation,Inc<br/>
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license: Libpng<br/>
1996-1997 Andreas Dilger<br/>
1998 Andreas R. Kleinert<br/>
2017-2018 Arm Holdings<br/>
2006-2028 Charles Poynton<br/>
2001 Christoph Pfisterer<br/>
2000-2019 Cosmin Truta<br/>
1995-1996 Frank J. T. Wojcik<br/>
1998-2018 Glenn Randers-Pehrson<br/>
2002-2014 Glenn Randers-Pehrson and Andrey A. Chernov<br/>
2012 Glenn Randers-Pehrson and Christopher M. Wheeler<br/>
1998-2001 Greg Roelofs<br/>
1998-2017 Greg Roelofs and Glenn Randers-Pehrson<br/>
1995 Guy Eric Schalnat,Group<br/>
1995-2042 Guy Eric Schalnat,Group Inc<br/>
2001 Laurent<br/>
2000 Marc O. Gloor<br/>
2002 Patrick R.L. Welche<br/>
2000 Pawel Mrochen<br/>
1998 Tim Wegner<br/>
2008 Vincent Torri<br/>
1995-2000 Wolf Faust<br/>
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license: public-domain<br/>
1994 X Consortium<br/>
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license: X11<br/>
1994 X Consortium<br/>
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2018-2019 Cosmin Truta<br/>
1998-2006 Glenn Randers-Pehrson<br/>
1996 Massachusetts Institute of Technology<br/>
1997 Tom Tanner Test<br/>
2003 WC. (MIT,ERCIM,Keio)<br/>
<br/>