Web ScrapBook - A browser extension that captures the web page faithfully with highly customizable configurations.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Dynatrace - Cloud-based quality testing, performance monitoring and analytics for mobile apps and websites. Get started with Keynote today!
Archivarix Website Downloader - Website online downloader and Content Management System (CMS) existing site converter.
Zabbix - Track, record, alert and visualize performance and availability of IT resources