You can get a free account for your non-commercial open source project if you match these criterias:
Your project meets the Open Source definition,
Your project is at least 3 months old,
Your project is actively and regularly developed,
You are the project lead or an active committer,
Your project is NOT sponsored by a commercial company or organization,
Your project does NOT have paid employees,
Your project does NOT provide commercial services (such as consulting or training) around the software, and does NOT distribute paid versions of the software.
Contact us directly to get more information.