Every available signal is connected to a 0.1-inch header position in addition to the majority being connected to 3.5-mm screw terminals for easy access when prototyping.
Every digital signal is ESD protected and every analog signal is routed through a unity-gain amplifier to simplify development
https://estore.ti.com/BOOSTXL-IOBKOUT-GPIO-Breakout-BoosterPack-P4927.aspx
For those that don't like soldering or fooling with pin jumper wires.