THREDDS License Change

TDS

As we approach the first public beta of version 5.0 of the THREDDS Data Server (TDS), we have decided to revisit our software license. Currently, both NetCDF-Java and the TDS are released under the same license that the netCDF C library uses, which is a license that was "home grown" at UCAR. It's usually called an "MIT-style license," though it is perhaps more similar to the BSD-3 Clause license. Rather than continue to use the "home grown" license, we will be moving to a standard, off-the-shelf BSD-3 license, bringing the TDS and NetCDF-Java packages more in line with standard practice within the Open Source community.

What This Means For You

If you are a user of the TDS, this change in licensing does not affect you.

If you are a developer who includes technology from the TDS or netCDF-Java in your own work, you will find that the new license is slightly less restrictive than the current license, in that it does not explicitly request that you credit UCAR/Unidata in publications that result from your use of the technology. Of course, we still appreciate any acknowledgement you do provide; such credits are very useful to Unidata in making the case to our funders that the work we do is valuable to our community. If you find Unidata’s contributions to community cyberinfrastructure useful, please consider citing the technology you’re using, or perhaps including a badge in your online materials.

What is Changing

Here is the text of the current license:

Copyright 1998-2015 University Corporation for Atmospheric Research/Unidata

Portions of this software were developed by the Unidata Program at the
University Corporation for Atmospheric Research.

Access and use of this software shall impose the following obligations
and understandings on the user. The user is granted the right, without
any fee or cost, to use, copy, modify, alter, enhance and distribute
this software, and any derivative works thereof, and its supporting
documentation for any purpose whatsoever, provided that this entire
notice appears in all copies of the software, derivative works and
supporting documentation.  Further, UCAR requests that the user credit
UCAR/Unidata in any publications that result from the use of this
software or in any product that includes this software. The names UCAR
and/or Unidata, however, may not be used in any advertising or publicity
to endorse or promote any products or commercial entity unless specific
written permission is obtained from UCAR/Unidata. The user also
understands that UCAR/Unidata is not obligated to provide the user with
any support, consulting, training or assistance of any kind with regard
to the use, operation and performance of this software nor to provide
the user with any updates, revisions, new versions or "bug fixes."

THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.

Here is the new license:

Copyright 1998-2018 University Corporation for Atmospheric Research/Unidata

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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