AVRDUDESS - AVRDUDESS is a GUI for AVRDUDE, a tool for programming Atmel microcontrollers.
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
avrdude-gui - a GUI Interface for the popular avrdude program.
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
BitBurner - BitBurner AVR Programmer, a full and complete AVRdude GUI for Windows.
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.