Zope Public License 2.1

This is a reading of the license Zope Public License 2.1. It covers Software. Version 2 of the model.

1. What you may do

This license permits the following.
Change license. Replacing the license of the work, or of an adaptation, with another license, or changing its terms.
Charge distribution fee. Charging a fee for the act of providing a copy of the work to someone else.
Commercial use. Using the work to generate income, directly or indirectly, for example by selling it or by using it in advertising.
Derivative works. Distributing an adaptation of the work and making it available to the public.
Derive. Creating a new work from the work, such as a translation, adaptation or arrangement of it or of a part of it.
Display. Showing the work to the public without making a copy the viewer keeps.
Distribute. Providing copies of the work to the public or to anyone else.
Modified works. Distributing a modified version of the work that does not amount to a new, derivative work.
Modify. Altering the work, for example by updating it, without creating a new work; an alteration that creates a new work is Derive.
Present. Performing the work in public, including by broadcast or other communication to the public.
Reproduce. Making copies of the work in any form.

2. What you must do

These conditions come with the permissions above.
Use a compliant license. Choosing a replacement license that stays compliant with the terms of the original license. It is a condition of change license.
Attribution. Giving credit to the copyright holders or authors of the work, in the form the licensor asks for. It is a condition of derive.
Modification notice. Marking a changed work as changed, saying how it differs from the original and keeping earlier notices of change. It is a condition of derive.
Notice. Notice: keeping the license and copyright notices with every copy. It is a condition of derive.
Attribution. Giving credit to the copyright holders or authors of the work, in the form the licensor asks for. It is a condition of distribute.
Notice. Notice: keeping the license and copyright notices with every copy. It is a condition of distribute.
Attribution. Giving credit to the copyright holders or authors of the work, in the form the licensor asks for. It is a condition of modify.
Modification notice. Marking a changed work as changed, saying how it differs from the original and keeping earlier notices of change. It is a condition of modify.
Notice. Notice: keeping the license and copyright notices with every copy. It is a condition of modify.

3. What you may not do

This license prohibits the following.
Promote. Using the name or trademarks of the licensor or of contributors to endorse or promote a product.

4. Further terms

The license states these terms about itself.
Validity period: Perpetual.
Region: Worldwide.

5. Warranty, liability and support

The license carries the following clauses, quoted from the model.
Warranty disclaimer: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Limitation of liability: 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.
Additional clauses: 4. The right to distribute this software or to use it for any purpose does not give you the right to use Servicemarks (sm) or Trademarks (tm) of the copyright holders. Use of them is covered by separate agreement with the copyright holders.

This text was generated from the machine readable model of the license. It is not legal advice, and only the license itself is binding.