SimulAVR
The SimulAVR program is a simulator for the Atmel AVR family of microcontrollers.
13 Alternatives To SimulAVR
BrainBox
Build and simulate circuits right in your browser.
Circuit Simulator
Animated electronic circuit simulator using ideal components to visualize voltage and current.
CircuitLab
Sketch, simulate, and share your circuits, entirely in your browser – no install required.
Emulino
an emulator for the Arduino platform by Greg Hewgill
Oregano
oregano - An electrical engineering tool for GNOME
PICsim
PIC microcontroller simulator
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.
Qucs-S
Qucs-S is a spin-off of the Qucs cross-platform circuit simulator.
Scicos
a graphical dynamical system modeler and simulator
Solve Elec
Solve Elec is a free educational program to draw and analyze electrical circuits.
Virtual Breadboard
It is a circuit simulator on a virtual breadboard.
Xcos
Xcos is a graphical editor to design hybrid dynamical systems models.
simavr
a lean and mean Atmel AVR simulator for linux