Centrallix is Free and Open-Source Software.


== GPLv2 ==

Copyright (C) 1998-2026 LightSys Technology Services, Inc.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

See the file "COPYING" for details.

You may download the source to this software at:

https://github.com/LightSys/centrallix


== Other Licenses and Permissions ==

OpenSSL:  As a special additional permission, you may link this
application with the OpenSSL cryptographic library.  If you
copy or distribute Centrallix, you are not required to retain
this additional permission.  In that case, simply delete it 
from this LICENSE file when you make the copy.

Sybase CT-Lib:  As a special additional permission, you may link
this application (the objdrv_sybase.c driver) with Sybase CT
Library, for access to Sybase ASE servers.  If you copy or
distribute Centrallix, you are not required to retain this
additional permission.  In that case, simply delete it from
this LICENSE file when you make the copy.

Third Party Components:  Components in the 'thirdparty' directory
are under separate, but GPL2-compatible, licenses.  Please see
the individual components under 'thirdparty/' for information about
the licenses of each of them.  Other third-party code, for example in
centrallix-os/sys/js/chartjs and so forth, is distributed under the
corresponding open source licenses for those projects.  See those
folders for details.

The Centrallix library code, in the centrallix-lib/ folder, is licensed under
the GNU LGPL v2.1.  The JavaScript and other code in centrallix-os/sys is also
licensed under the GNU LGPL v2.1.  You may also use any later version of the
GNU LGPL released by the Free Software Foundation for those two subfolders.

Centrallix samples in centrallix-os/samples are distributed under a 3-clause
BSD license, which is compatible with the GNU GPL.

Centrallix is maintained by LightSys, a US 501(c)(3) nonprofit charity.