ProSystem AlternativesGame Emulators and other similar apps like ProSystem

MAME stands for Multiple Arcade Machine Emulator. When used in conjunction with images of the original arcade game's ROM and disk data, MAME attempts to reproduce that game as faithfully as possible on a more modern general-purpose computer.

Stella is a multi-platform Atari 2600 VCS emulator released under the GNU General Public License (GPL). Stella was originally developed for Linux by Bradford W. Mott, and is currently maintained by Stephen Anthony.

EMU7800 was originally completed in 2003 as a .NET programming exercise. It continues to be maintained to the present day as a non-commercial endeavor. Feel free to email feedback. Enjoy!.

Z26 is one of the best emulators for the Atari 2600. The author reports that the graphics part of the emulator is nearing perfection to a point that there's little more to fix.

BizHawk is a multi-system emulator designed predominantly around the production of Tool Assisted Speedruns (TAS). BizHawk focuses on core accuracy and power user tools while still being an easy-to-use emulator for casual gaming.

Javatari is a multiplayer Atari 2600 emulator written in pure Java with no external libs. Just open it! Needs Java 6 or greater and Atari ROMs.

Hataroid is an Atari ST emulator for Android based on Hatari .

Steem is an open source Atari STE emulator for Windows and Linux. It runs almost every ST program ever made without any problems. Steem is designed to be easy to use and has many unique features. Whether you want to run great old games, use MIDI apps just like you did on the ST...

jGameBase is a fully-­featured retro-gaming emu­lator frontend and game database utility. It is a sister app­lication to the Windows program GameBase (without "j"), the official frontend for the GB64 Collection.

This is the the Macintosh OSX Port of David Firth's Fantastic Atari 800 Emulator. Ported is the SDL version of the Atrari800 emulator to Mac OSX, and added a full native Cocoa interface, including Preferences, Menus, File Associations, Help and more.

Hatari is an Atari ST/STE/TT/Falcon emulator for GNU/Linux, BSD, Mac OS X, Windows and other systems which are supported by the SDL library.

EstyJS is an emulator for the Atari ST, written in 100% pure JavaScript, originally developed by Darren Coles. Since 2024 and the release of EstyJS 2.0, the project is maintained by Kai Eckert. The source code is available on GitHub.