HD Sentinel - Database of HDD's and their specs.
Ninite - Custom installer maker to install your general apps like Discord, Chrome, 7-Zip, etc.
PCPartPicker - My favorite system config tool for planning computer builds.
MajorGeeks - Cool programs.
https://www.tomshardware.com/how-to/install-windows-11-without-microsoft-account
Apple Pencil Compatibility - See which Apple Pencil is compatible with your iPad.
Repeater Book repeater search - Easiest way to find HAM repeaters.
BlueMax49ers - Favorite source for programming cables!
ARRL Band Plan - See what frequencies you can use and what’s allowed on each.
ARRL RF Exposure Calculator - Quickly determine FCC-compliant RF exposure distances for your amateur radio setup.
KV5R Coax Loss Calculator - RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators.
MPB.com - Great place to get gently or barely used or cheap beater camera gear! Have bought several lenses from them and they are amazing!
Screen Size Calculator - Great for TV's and similar measurements!