Jetpack CRM is a free to use WordPress plugin that comes with powerful extensions. A little bit like the WooCommerce model.
How do I develop an extension
We are growing our developer documentation and have a central list of extensions that are on our roadmap to build. If you would like to build your own extension please do submit a support ticket and let us know what you’re planning to build.
Can my extension be included for sale for commission
At the moment, we aren’t accepting third party extensions into our CRM eco-system. This is while we aggressively grow Jetpack CRM.
In our initial growth stage we are tightly controlling the codebase. However we are still happy to discuss your plans.
However, you’re free to develop any extension you like for your personal use.