Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
WinTools.net - Is a suite of tools for increasing MS Windows operating system performance. WinTools.
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.
AMD Ryzen Master - AMD Ryzen Master is a powerful and world’s first multi-threaded CPU overclocking software that supports the latest AMD AM4 socket Ryzen processors, helping you unleash your system’s true potential.
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
DriverHub - DriverHub - utility for Windows 7, 8, 8.1, 10 drivers update. Absolutely free and safe.