Automated black-box website security assessment. Prompt result. Different scan modes, depth, and quality. Choose free-of-charge on-demand testing or cheap subscription to 24/7 monitoring
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
TCP Optimizer - SpeedGuide.net - The Broadband Guide. Cable modems, DSL, Wireless, Network security. Free speed tweaks and TCP/IP tools for optimizing system performance.
Fing - Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...
Throttled Pro - Throttled Pro optimizes your internet connection and provides QoS (Quality of Service) to Mac OS X.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Ashampoo Internet Accelerator - Ashampoo Internet Accelerator is an internet connection optimizer and booster that allows you to tune your connection settings.