Bootloading Your ATtiny85

Setting and reading AtTiny85 fuses – dntruong's Arduino blog

DuinoKit Tiny - ATTiny85 Arduino Based Discovery Kit by Dan Alich — Kickstarter

Programming ATtiny85 IC via USB Using Digispark Bootloader, by Jotrinelectronic

TinySafeBoot, Arduino, and Wireless Upload to ATtiny85 –

2pcs USB Type C Pluggable Development Board for ATtiny85 ATtiny Series Programming Editor Connector Replacement for Digispark Arduino Module : Electronics

How To Burn Micronucleus Bootloader On The Digispark Kickstarter Attiny85

Install bootloader on the ATTiny85 - Opencircuit

LonelyBinary ATTINY85 Arduino Compatible Board Digispark Rubber Ducky Bad USB

ATtiny Arduino Programming Shield – Bantam Tools

Programming an ATTiny85 with an Arduino Uno