Alternatives to RWEverything for all platforms with any license

CPU-Z

Computer information gathering utility for details on CPU, RAM, real-time stats, and more.

Free Windows Android PortableApps.com
AMD Benchmarks GNU/linux-libre Hardware Monitoring ... Portable Stress Testing System Info Add a feature

553 Like
Speccy

Speccy is an advanced System Information tool for your PC, available as installer version and as portable version in 24 languages. It does a quick scan of your machine...
- Bundleware
  Got google chrome installed alongside. See also https://www.virustotal.com/#/file/64a5ba6d65e0b73ae6987c561c86b1e2338a1f337ab5bd5a87c9eeba4963cc3f/detection
Freemium Windows
Temperature Monitoring German Hardware Monitoring Multiple languages ... Portable System Info Add a feature

434 Like
HWiNFO (32/64)

Hardware diagnostic software for Windows that provides real-time monitoring for temperature and more.

Free Windows PortableApps.com
Hardware Monitoring Portable Fan speed control Hardware Monitoring ... Support for S.M.A.R.T. data System Info Temperature Monitoring Add a feature

193 Like
GPU-Z

GPU-Z is a lightweight system utility designed to provide vital information about your video card and graphics processor.

Free Windows PortableApps.com
Hardware Monitoring Portable System Info Add a feature

242 Like
AIDA64

AIDA64 offers a complete set of tools to benchmark, overclock, monitor, fine-tune, and troubleshoot Windows based desktop and mobile computers. .

Commercial $ $ $ Windows Android iPhone Windows S Android Tablet ... Windows Phone iPad Tizen OS Ubuntu Touch
Hardware Monitoring Overclock System Info Add a feature

142 Like
Neofetch

Neofetch is a command-line system information tool written in bash 3.2+. Neofetch displays information about your operating system, software and hardware in an aesthetic...

Free Open Source Mac Linux Android iPhone Android Tablet ... BSD iPad Haiku
Command line Command line interface System Info Add a feature

22 Like
CAM

Manage performance, temperatures, and devices all from a single application. NZXT CAM is fast, efficient, and easy-to-use, allowing you to control every aspect of your...

Free Windows Android iPhone
Overclock Performance Monitoring Add a feature

12 Like
SIW

SIW is an advanced System Information for Windows tool that gathers detailed information about your system properties and settings and displays it in an extremely...

Commercial Windows PortableApps.com
Hardware Monitoring Portable System Info Add a feature

64 Like
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Hardinfo

Hardinfo is a system information and benchmark tool for Linux. It shows detailed system info, including hardware, environment, and kernel. It can use lm_sensors and ACPI...
- Discontinued
  The project is no longer developed. Last version, 0.5.1, released in April 2009, can be still downloaded from SourceForge.
Free Open Source Linux Xfce
Memory usage Hardware Monitoring System Info Add a feature

33 Like
Screenfetch

Simple command-line tool that displays your distro's logo in text art form, your OS version, your kernel version, your CPU, GPU, and RAM, your DE, resolution, WM...

Free Open Source Mac Linux Chrome OS BSD
Command line Command line interface Linux-based System Info ... Terminal emulator Add a feature

8 Like