We can also use help with software development. All of our code is on GitHub.
Certbot is a Python-based utility that works alongside your webserver to automatically obtain a certificate and convert a website to HTTPS. Certbot is the client we recommend that most people start with. Many other third party client options are available.
Server-side CA Software
Boulder is the Let’s Encrypt CA implementation. It’s based on the ACME protocol, and written primarily in Go. A great place to start is with the list of ‘help wanted’ issues and the contributors guide.