Subnet Calc - compute network subnet (dotted decimal or CIDR notation) mask for IP address or range, or vice versa. Determine number of hosts, broadcast address and host class.
Server date / time
Urih service usage
SilverBench · Very good online benchmark. Specially when you OC your CPU. This test will make or break it! I used it to test my system on several occasions. I hope you will do more benchmarks for GPU and other hardware.