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I first encountered gdal while working at Sandia National Labs, one
of the US DOE national labs. (This was over a decade ago - I'm now
retired). I have verified with colleagues still working there that
although Sandia open sources much of it's current software and
contributes source code to non-Sandia projects, there is no
practical way that it can support a project with cash payments
without violating it's contract with the gov't. Further, it cannot
contribute in-kind effort to a project unless those contributions
are in direct support of the program that is funding the effort. The
same rules almost certainly apply to any US gov't funded contractor.
Perhaps someone at one of the US federal agencies that no doubt uses
gdal (eg, NGA) can speak to whether the agency can make a direct <i>voluntary</i>
contribution. <br>
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