Another DIY programming pogo pin connector – Dangerous Prototypes
3D Printed Pogo Pin Programmer | Hackaday
pogoProg - Small AVR microcontroller pogo-pin Header
Pogo-pin programmer connector
Tiny AVR Programmer Hookup Guide - SparkFun Learn
Pololu USB AVR Programmer v2.1
Amazon.com: Micro IC Pins Programming Clip for ISP program SOP/SOIC/TSSOP/TSOP/SSOP/MSOP/PLCC/QFP/TQFP/LQFP/SMD IC chip test pin mini chip adapter socket : Industrial & Scientific
Choosing a debug/programming connector for a microcontroller (PartsBox)