System Monitor II provides you with a desktop display showing an overview of your system, and more.

Fastfetch is an Open Source multi-platform app capable of quickly fetching and displaying system info.

Hardware Read & Write Utility is a system information tool with additional features for hardware engineers, BIOS engineers, driver developers, QA engineers, diagnostic engineers, etc.

System Information provides a simple portable option for retrieving system information all through a single GUI.

Format Detector .NET is an effective and user-friendly tool designed to analyze and detect the file type of virtually any file.

NWinfo is a comprehensive tool designed to help you retrieve essential system/hardware information and more.

wtrace is a portable command-line tool for live recording of trace events.

Argente System Repair is a lightweight, no-nonsense tool that scans your system for common Windows problems and applies targeted fixes.
This tool is a part of Argente Utilities.

DataExplorer is designed to collect, analyze, and view information from devices with a serial port or other similar CSV file or USB ports.

HWiNFO provides you with comprehensive system information details, including hardware analysis, monitoring, and Windows and DOS reporting. Also available as a portable app. Video tutorial available.

HWiNFO Portable provides you with comprehensive system information details, including hardware analysis, monitoring, and Windows and DOS reporting. Also available as an installer. Video walkthrough available.

PerfView is a portable application designed to simplify the collection/analysis of CPU and memory-related performance data.

SIW is a system information tool that gathers detailed information about your system properties and settings.

WhyNotWin11 lets you know if your machine is Windows 11 compatible by running a small script. PortableApps version is also available.

UWPSpy (brought to you by the developer of Textify and 7+ Taskbar Tweaker) provides a way to inspect and manipulate UWP-based apps.

AppReadWriteCounter is a portable utility designed to count and display the current file read/write operations for all running applications.

Desktop Info provides real-time system information directly on your desktop. This application enables you to monitor essential system metrics effortlessly, ensuring they remain up-to-date on your device's performance.

Resource Monitor is comprised of two Open Source applications designed to monitor memory and CPU from the systray.

DTaskManager is specifically engineered to give additional functionality that the Windows bundled Task Manager (and other third-party products) do not have.

DateInfo automatically calculates and displays date and time calculations relative to a selected date using the Command Line.

ESET SysInspector allows you to monitor your details about your OS such as processes, startup items, registry content and network connections.

SIV (System Information Viewer) displays useful Windows, network, and hardware info.

WindowTextExtractor is a portable app capable of retrieving the underlying text from a window.

Device Cleanup Cmd is the command-line version of Device Cleanup Tool meant for helping remove leftover traces of nonpresent devices.

Device Cleanup Tool is a portable tool that lists all non-present devices and then allows for easy removal. Video tutorial and a command-line version are available.