What are some alternatives?
When comparing SpeedFan and Printix, you can also consider the following products
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Ruler - It's a screen ruler for Windows.
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
PrintNode - PrintNode offers cloud printing solutions for web applications.
iStat Menus - "An advanced Mac system monitor for your menubar."
ezeep - ezeep provides managed cloud printing solutions for educational institutes and SMB's.