PICsim is described as 'Emulates a microcontroller PIC16F628/16F777/16F877A/18F452/18F4550/18F4620 and periferics such as USART and timers, the simulator architecture permit easy implementation of external elements in c language' and is an app. There are seven alternatives to PICsim for Linux and Windows. The best PICsim alternative is SimulIDE, which is both free and Open Source. Other great apps like PICsim are proteus VSM, simutron, Virtual Breadboard and SimulAVR.
SimulIDE is a simple real time electronic circuit simulator. It's intended for general purpose electronics and microcontroller simulation, supporting PIC and AVR. PIC simulation is provided by gpsim and avr simulation by simavr.
SimulIDE is the most popular Windows & Linux alternative to PICsim.
SimulIDE is the most popular Open Source & free alternative to PICsim.
A virtual simulation environment for electronic circuits with support of digital and analog devices. It also provides virtual instruments and virtual debugging tools.
proteus VSM is the most popular commercial alternative to PICsim.
Electronic circuit simulator. Simple environment to run and debug firmware for AVR 8-bit microprocessors.
It is a circuit simulator on a virtual breadboard. it supports virtual components like microcontrollers, TTL, graphical and alphanumerical LCDs and others in addition to virtual instruments and certainly the basic components (resistors, capacitors..).
The SimulAVR program is a simulator for the Atmel AVR family of microcontrollers. (ATtiny and ATmega) SimulAVR can be used either standalone or as a remote target for avr-gdb. There is a python- and TCL interface.
simavr is a new AVR simulator for linux, or any platform that uses avr-gcc. It uses avr-gcc's own register definition to simplify creating new targets for supported AVR devices. The core was made to be small and compact, and hackable so allow quick prototyping of an AVR...
Emulino is an emulator for the Arduino platform by Greg Hewgill, originally found on emulino: arduino cpu emulator.
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