webrangers

It clears whole CloudFlare cache for desired domain. 
Purge is done from WordPress admin panel or plugin’s page. Current version contains functionality which purges individual files by URL and clears CloudFlare cache after Save Post action.
THINGS YOU NEED TO KNOW:
<ul>
<li>Whenever you get error clearing the cache alert popup appears with CloudFlare Api response.</li>
<li>This version allows you to purge whole CF cache and specific files by their urs.</li>
<li>Clear cached files to force Cloudflare to fetch a fresh version of those files from your web server. You can purge files selectively or all at once.</li>
<li>Purging the cache may temporarily degrade performance for your website.</li>
</ul>

Purge Cloud Flare

Purge CloudFlare makes clearing CloudFlare cache as simple as one click.

WESLINK

CloudFlare Flexible SSL needs some tiny Modification to get not into a redirect loop. This Plugins makes your WordPress Site ready to use Cloudflare SSL and prevents the common SSL infinite loop Problem.
<a href="https://weslink.de/blog/" rel="nofollow ugc">WordPress and SSL </a>.

Cloudflare SSL by Weslink

we us it for our clients and like it :-)

Plugin to enable CloudFlare Flexible SSL for Wordpress and to prevent the Redirect Loop

Purge Cloud Flare vs Cloudflare SSL by Weslink