Network Tools - Speed Test is a free Android application developed by KARELab that provides an all-in-one solution for network monitoring. This application is designed to make network monitoring easier for millions of users and IT personnel. It offers a comprehensive set of features that includes Internet speed test, Wi-Fi browser, port test, DNS query, ping and service monitoring, and network-side calculations.

The Tools section of the application includes a speed test, network discovery, LAN port scanner, ping test, port forwarding test, WAN port scanner, IP address identification, WHOIS information, IP lookup, DNS lookup, and blacklist checker. The Network and WiFi Calculations section includes an IPv4 calculator, IPv6 calculator, loss of free space calculator, power budget calculator, system performance calculator, Fresnel area calculator, and mW-dBm converter. The Knowledge Base section includes modem default login information, MAC vendors, and Rj45 cable wiring.

Overall, Network Tools - Speed Test is a must-have application for anyone who wants to monitor their network. It offers a wide range of features that are easy to use and understand, making it an ideal tool for both professionals and beginners.