iStat
Commercial
iStat is an advanced Mac system monitor for your menubar.
Real Temp
Free
Real Temp is a temperature monitoring program designed for all Intel processors.
smcFanControl
Free
mcFanControl controls the fans of every Intel Mac to make it run cooler.
Core Temp
Free
Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.
Sidebar Diagnostics
Open Source
SidebarDiagnostics is a simple sidebar for Windows desktop that displays hardware diagnostic information.
Compare SpeedFan with alternatives
Compare Sidebar Diagnostics and SpeedFan and decide which is most suitable for you.
Compare smcFanControl and SpeedFan and decide which is most suitable for you.