Since 2002 iStumbler Labs has been producing hand crafted Wi-Fi and Networking tools for macOS, iOS and the Internets.
iStumbler is the leading Wi-Fi, Blueooth, Bonjour, Location and Spectrum Analysis app for your Mac.
OrangeCard lets you drop or paste anything to get detailed information.
SmartJoin.us lets you create QR Codes to make it easy to join Wi-Fi Networks.
localrouter.net finds your local router's web interface in seconds.