NordVPN - NordVPN offers VPN technology that encrypts data twice.
Ping Meter Gadget - Customizable, graphical, semi-transparent ping (latency) meter.
iTop VPN - 100% free VPN with no ads. Hipe your IP and unblock restricted content. Never log your personal info.
SmokePing - Smokeping is a tool for measuring latency.
LibreSpeed - Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.
Open Nettest - Open Nettest is a platform for collecting, processing and visualizing data related QoS and QoE.