Memtest86+ Alternatives
Memtest86+ is described as 'free-to-download memory test software designed to test and stress test an x86 or x64 architecture computer's random access memory (RAM) for errors' and is a very popular app in the os & utilities category. There are nine alternatives to Memtest86+ for Windows, Linux and Mac. The best alternative is PassMark MemTest86, which is free. Other great apps like Memtest86+ are MemTest64, Windows Memory Diagnostic, Video Memory Stress Test and GoldMemory.
MemTest86 is a memory test for x86 computers. This includes 64-bit machines.
PassMark MemTest86 vs Memtest86+ opinions
MemTest86 is the original ram testing program. It is native 64bit, supports ECC RAM, has mouse support, runs in UEFI and has row hammer testing. The 'MemTest86+' version is a unmaintained fork of the original code.
It's very thorough, adds UEFI support, more tests, is under active development, and there is a free version available for download
TechPowerUp Memtest64 is a lightweight, standalone utility that lets you check your system memory for problems at the hardware-level. It has a graphical interface, and can be run from within Windows.
The Windows Memory Diagnostic tests the Random Access Memory (RAM) on your computer for errors. The diagnostic includes a comprehensive set of memory tests.
Test allow you to completely test your video RAM (accessible to DirectX). The best way to check stability after overclocking ;)
GoldMemory is a self-bootable, DOS-based, standalone memory subsystem testing software.
GoldMemory vs Memtest86+ opinions
Goldmemory uses other algorhytms which have got some memory problems that memtest86 has missed. It has saved me from pulling my hair many times ;)
MemTest is a RAM tester that runs under Windows. It verifies that your computer can reliably store and retrieve data from memory. A correctly functioning computer should be able to do this with 100% accuracy day in and day out.
R.S.T. Pro2 is the definitive memory diagnostic and validation tool designed for the rigorous testing needs of desktop & server memory manufacturers, system builders, design engineers, and service professionals. Powerful new features and advanced functionality make R.S.T.
DocMemory Diagnostic, an advanced self-bootable PC Memory Diagnostic Software is a rigorous test pattern exercises both the PC Base and Extended Memory to locate defective memory, all carried out without the need for user to disassemble memory from the PC.
M2K MemScope is a free memory testing software program from the makers of Micro-Scope - a large suite of professional, time tested (and expensive) computer diagnostic tools.
Discontinued
Official site inaccessible but app still available at download sites.