Osmose is a Sega Master System / Gamegear console emulator. The emulator is released as open source project, under GPL license and exists for both Linux and Windows.

Features:

• Qt 4 based GUI.
• OpenGL based renderer.
• SMS emulation: Good compatibility. At this stage, the emulator can run* 96% of commercial games and public demos, except games that relies on codemaster mapper, which work but does not have proper video mode emulated.
• Game Gear emulation : Good compatibility. At this stage, the emulator can run 98.0% of game gear ROMS
• SN76489 Sound is supported, but still needs work.
• support. for .ZIP .SMS and .GG format.
• Video filters: bilinear, nearest neighbour.
• Pad(keyboard or joystick mapped).
• PAL/NTSC timing.
• Japanese/Export console.
• In game Screenshots, GFX rip, sound shot.

Images: