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.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Offline Explorer - MetaProducts Offline Explorer is a Windows NT/2000/XP/2003/Vista program that allows you to...