The CCA License (CCA stands for Community Contributor Awareness) is a sofware license inspired by the MIT License.
To use the software, a donation made to the clause highlighted inside the license is required.
The donation clause explains how the author would like to support the community.
The template is the following:
CCA License (Community Contributor Awareness License)
Copyright (c) <year> <copyright holders>
Permission is hereby granted, upon a donation made to:
<donation clause>
to any person obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom
the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Donation clause examples:
- any Open Source software, any time, no mininum amount required
- any Open Source software, during the year the software is used, no mininum amount required
- any Open Source software, any time, minimum amount of 5 US$ or its local currency equivalent
- any software (Open Source or not) related to <technology area>, any time, no minimum amount required
- any Open Source software related to <technology area>, any time, no minimum amount required or you are a code contributor of an Open Source software related to <technology area>
The reason is simple: try to find a way to support the community around a product or a technology area you care about.