cloudify-users is the mailing list where Cloudify users can seek and get help and discuss all kinds of matters surrounding Cloudify. Use the cloudify-developers mailing list if you'd like to contribute to the Cloudify core modules, develop plugin and extensions and get help on dev related issues.
If you're a Cloudify 2.7 user, please refer the 2.7 mailing lists.
We also welcome your questions on stackoverflow, make sure to use the cloudify tag so we can tell you need help.
Join us in real-time to ask questions, meet our engineers, and get all the latest news by joining on our Slack channel.
Cloudify is Open Source under the Apache 2 License. The code is hosted on Github under the code name Cosmo (we just love Kramer, what can you do). You're most welcome to clone the code, fork it and submit pull requests. Read about How to Contribute to Cloudify.
Issues and feature requests can be filed in our project Jira. Note that you'll need to create an account first. If you are not sure whether it's an issue, please post a question at one of our mailing lists first.