There is a lot of ATtiny dev boards out there. Let's compare them quickly.
digispark kickstarter development board attiny85 module
The Digispark is a tiny, Arduino compatible development board using the ATMEL ATtiny85 microcontroller. It has its own USB bootloader and built in USB
Attiny85 Development Board for ATTINY 85 Board for Arduino & Digispark Kickstarter
ATtiny85 Board First Look and Review Install Drivers & Use with Arduino IDE
Brand Unbranded MPN Attiny85 UPC Does not apply.
ATtiny85 attiny digispark kickstarter micro usb development board modu
Learn To Use ATtiny85 USB Mini Development Board
Digispark - The tiny, Arduino enabled, usb dev board! by Erik Kettenburg — Kickstarter
Programming the TinyBoard - ATTiny85 Development Board : 6 Steps - Instructables
ATTINY85 Mini USB Development Board – ControllersTech
Buy Wholesale China Digispark Kickstarter Development Board Attiny85 Module For R3 Usb & Digispark Kickstarter Development Board Attiny85 at USD 2.05
Digispark Compatible ATtiny85 Development Board - Ten Pack — PMD Way
1pcs Digispark kickstarter development board ATTINY85 module for arduino usb
ATTINY85 Micro Digispark Kickstarter Development Board – JvZ Digital Sourcing