Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
HWiNFO - Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.
Fing - Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
SoftPerfect Network Scanner - Powerful multipurpose network administration tool for Windows and macOS