IObit Advanced SystemCare Free
One-click approach to help protect, repair, clean, and optimize your PC.
CCleaner
Scores high points all around. The most popular choice at the moment. Not as many features as in others.
Soluto
Speed up Windows boot time by removing unnecessary apps from startup. Very effective.
Glary Utilities
Includes over 15 useful system maintenance tools. Been recommended by MakeUseOf several times!
Secunia Personal Software Inspector
A free utility that scans your PC for outdated programs in need of updates.
D7
The Swiss army knife of Windows utilities, D7 is powerful professional-grade software for diagnosing a huge variety of problems.
CPU-Z
A simple tool for detecting a huge range of hardware information about your PC and the components inside it.
GPU-Z
Get detailed information about your graphics card including memory type and speed, software versions and temperatures.
Process Explorer
An advanced version of Windows Task Manager from Microsoft for a more detailed look at what’s running on your PC.
WinDirStat
A free tool for visualising your disk space usage.
Speccy
A complete system information tool for your Windows PC, Speccy tells you exactly what hardware you’ve got under the hood.
ToolWiz Care
A complete maintenance program for Windows, with a ton of features for optimizing and cleaning up your PC.
CPUID PC Wizard
The big brother to CPU-Z, PC Wizard is a complete benchmarking tool for your PC and its components.
SUMo
Software Update Monitor does exactly that – monitors software for available updates and downloads them for you.