The "Golden Rule" License

Golden Rule License (Version 2)

"Do unto others as you would have them do unto you."

The intent of this license is two-fold:

(1) We hope this software is useful to you. If you, in turn, increase its usefulness, then we would like you to return the favor by providing that increased usefulness back to us in source code form. To this end, UNPAID users may use this software under the AGPLv3.

Examples include:

  • students,

  • unpaid instructors,

  • hobbyists,

  • unpaid charitable individual workers, etc.

(2) All of us need to eat. If this software helps you eat (i.e., get paid), then we would like you to return the favor. To this end, PAID users may use this software under a commercial license.

Examples include:

  • resellers,

  • providers of software-as-a-service,

  • paid instructors,

  • paid non-profit workers etc.

This software Copyright Symbolic Simulation, LLC, 2012.

THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER ''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 SYMBOLIC SIMULATION, LLC 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.