SpeedFan - Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.
Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
xScan - xScan is an application for viewing the behavior of your computer and Mac.
Countly - Product Analytics and Innovation. Build better customer journeys.