David Harley is the sole author of qtHaskell and its documentation, and qtHaskell is Copyright 2019, David Harley. All rights reserved.

QtHaskell is not release under the terms of any software license standards in common use.

It is intended that qtHaskell will be mostly free to download and use for all interested parties, but its use is stil subject to the following constraints:

• The author of the software reserves the right to refuse further use of this software to any party at any time. That includes further use of already downloaded software and future releases thereof.


• The author of the software may charge users who are making substantial use of the software in a commercial or governmental institution or any other context. The author will have the sole and final say as to what constitutes 'substantial use'. This will not normally extend to use of the software in small to medium size institutions.


• Unauthorized forks and/or redistribution of this software are not allowed.


• The following usage indemnity also applies:

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "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 HOLDERS 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.