Emailing us your thoughts, ideas, and suggestions.
Creating text and video tutorials.
Sharing on social media, blogs, and vlogs.
Writing user and technical documentation.
I'm working on a technical overview to help get developers started and adding some github issues for items that new developers could start helping with.
Until then, you can dive into the source code
and check out the open issues.
Auditing the crypto and protocol code and reporting issues or submit patches.