Please remove 32 tags.
32bit 3d 64bit api audio c# cross-platform development display fonts framework game game_development gamedev gaming gl gnu_linux graphics gtk# input joystick keyboard library linux low-level lowlevel mac mac_os_x macintosh macos macosx mono mouse multi-platform multimedia net net20 openal opencl opengl osx portable programming rad sound source win32 windows windowsforms winforms x x11