Common Workflow Language User Guide: Licenses

Instructional Material

This material is derived from a framework created by the Software Carpentry and Data Carpentry projects under the Creative Commons Attribution license.

All Common Workflow Language project instructional material and changes to the structure are also made available under the Creative Commons Attribution license. The following is a human-readable summary of (and not a substitute for) the full legal text of the CC BY 4.0 license.

You are free:

for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

No additional restrictions—You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits. With the understanding that:



Except where otherwise noted, the example programs and other software provided by Common Workflow Language project are made available under the OSI-approved Apache 2.0 license.

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


“Software Carpentry” and “Data Carpentry” and their respective logos are registered trademarks of NumFOCUS.