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.
Tep - Fitness tracker meets tamagotchi. Don't starve it!
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Flipper Zero - A portable multi-tool device styled as a Tamagotchi
xScan - xScan is an application for viewing the behavior of your computer and Mac.
Senstone - Stylish wearable which converts voice memos into text