Some places ....

M.A.M.E. places ...

M.A.M.E.

http://www.mame.net

SDLMAME (for all platforms)

http://rbelmont.mameworld.info/?page_id=163

kxmame (KDE MAME and MESS frontend (SDLMAME, SDLMESS, xmame, xmess, ...)

http://sourceforge.net/projects/kxmame/

XMame (for Unices/X11)

http://x.mame.net

Mame32 (for Win32)

http://www.classicgaming.com/mame32/

OpenGL

http://www.opengl.org

MESA 3.4 (includes glut now)

http://mesa3d.sourceforge.net/