HeavyLoad is described as 'The individual test methods employed by HeavyLoad can be customized to fit your needs. Can stress test CPU, hard disk, memory and GPU' and is an app in the System & Hardware category. There are five alternatives to HeavyLoad for Windows, Linux and Mac. The best alternative is OCCT, which is free. Other great apps like HeavyLoad are Prime95 (Free), System Stability Tester (Free, Open Source), Cpukiller (Free) and StressMyPC (Free).
OCCT is an all-in-one stability check & stress test tool. OCCT is great at generating heavy loads on your components ( CPU, GPU, Memory, GPU Memory & Power supply ), and aims at detecting hardware errors or stability issues faster than anything else.
StressMyPC is stress testing software, to do a PC stability test ergo computer stress test at fully load of the hardware. Let's see! How long can your laptop battery hold a charge, or let your PC sweat! Key Features in PC Stres Test ? Stress-Test for the PC