Atmel AVR USB Microcontroller Programmer - YouTube
Amazon.com: Waveshare-AVR Programmer USB AVRISP XPII Compatible with ATMEL at AVR ISP mk2 mkII in-System Programmer Supports AVR Studio 4/5/6/7 Or Higher Version : Electronics
GitHub - wagiminator/AVR-Programmer: Collection of AVR Programmers and Accessories
Pololu USB AVR Programmer v2.1
ATMEL AVR USB Programmer and Rapid Prototyping Board by Tobias Frost
Using USBTinyISP programmer with Atmel Studio 7 | AVR programming - Liviu Istrate