easy-rsa is a CLI utility to build and manage a PKI CA. In laymen's terms, this means to create a root certificate authority, and request and sign certificates, including sub-CAs and certificate revokation lists (CRL).
If you are looking for release downloads, please see the releases section on GitHub. Releases are also available as source checkouts using named tags.
For 3.x project documentation and usage, see the README.quickstart.md file or the more detailed docs under the doc/ directory. The .md files are in Markdown format and can be converted to html files as desired for release packages, or read as-is in plaintext.
Currently, Easy-RSA development co-exists with OpenVPN even though they are separate projects. The following resources are good places as of this writing to seek help using Easy-RSA:
The openvpn-users mailing list is a good place to post usage or help questions.
You can also try IRC at Freenode/#openvpn
The easy-rsa master branch is currently tracking development for the 3.x release cycle. The prior 2.x and 1.x versions are available as release branches for tracking and possible back-porting of relevant fixes. Branch layout is:
master <- 3.x, at present
release/2.x
release/1.x
LICENSING info for 3.x is in the COPYING.md file