Richard Palethorpe

Provides a block which embeds a <a href="https://dobu.uk" rel="nofollow ugc">DoBu.uk availability calendar and enquiry form</a> 
for a given nick name.
See the above link for a demonstration.

DoBu.uk Availability

Embed DoBu.uk availability and booking calendars

siteimpulse

Super Monitoring is an external web application for monitoring website uptime and its basic functions. 
This plugin integrates Super Monitoring interface into WordPress administration panel so you don’t have to log in to supermonitoring.com separately to see your reports or update settings.
Super Monitoring features 
– checking your website every minute 
– detecting different kinds of failures 
– using a worldwide network of monitoring stations to avoid false positives 
– measuring response times 
– content checking 
– web form testing 
– file integrity monitoring 
– instant email & mobile text (SMS) alerts 
– unlimited event history 
– API.
In order to use the plugin you need an account at <a href="https://www.supermonitoring.com/" title="website monitoring" rel="nofollow ugc">www.supermonitoring.com</a>. 
You can sign up for a free trial <a href="https://www.supermonitoring.com/sign-up" title="sign up for a free trial account" rel="nofollow ugc">here</a>.

Super Monitoring

Monitor your website uptime and basic functions with www.supermonitoring.com and access your reports and settings directly in your WordPress panel.

DoBu.uk Availability vs Super Monitoring