gnu.org
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librecad.org
ubuntu.com
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freesoftwaremagazine.com
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somoslibres.org
ashep.org
towerlight2002.net
lapastillaroja.net
lffl.org
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xen.org
openssh.com
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linuxcnc.org
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xensource.com
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navit-project.org
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qcad.org
debian.org
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