Downloading gpsim 0.31.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free software is SourceForge. The most popular version of the program 0.2.
Commonly, this program's installer has the following filename: gpsim.exe. The program is categorized as System Utilities. This PC program works fine with 32-bit versions of Windows XP/Vista/7/8/10/11. We recommend checking the downloaded files with any free antivirus.
From the developer:
gpsim is a full-featured software simulator for Microchip PIC microcontrollers distributed under the GNU General Public License, Version 2 or higher, and some of it's libraries under GNU Lesser General Public License, Version 2 or higher.
gpsim has been designed to be as accurate as possible. Accuracy includes the entire PIC - from the core to the I/O pins and including ALL of the internal peripherals.
You may want to check out more software, such as WinBatch, VisualCron or myibay eBay bid sniper, which might be similar to gpsim.