Internet of Things
Sensorcloud - http://www.sensorcloud.com/
Things Speak - http://thingspeak.com/
Internet Information
BGPmon - https://bgpmon.net/
BGPStream - http://bgpstream.com/
PingDom - https://livemap.pingdom.com/
Datacenter Map - https://www.datacentermap.com/
Network Monitoring Tools
Cacti
Icinga
Nagios
OpenNMS
SolarWinds
Zabbix