StoneVPN is a system that makes it easy to create certificates and configuration files for use with an OpenVPN server for both Windows and Linux users. It has the ability to create a zip file and e-mail the entire package to a user. It uses pyOpenSSL and custom patches that allow it to manage a CRL file.
OpenVPN Web Certificate Manager is a configuration, certification, and management tool for OpenVPN using a Web-based interface. It shows the status of multiple OpenVPN servers running on the same system; for each, it shows the VPN connections and OpenVPN/OpenSSL configuration. Moreover, it provides client certificate management.