KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
AVRDUDESS - AVRDUDESS is a GUI for AVRDUDE, a tool for programming Atmel microcontrollers.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
avrdude-gui - a GUI Interface for the popular avrdude program.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
BitBurner - BitBurner AVR Programmer, a full and complete AVRdude GUI for Windows.