VBA-M is the successor to the popular GBA emulator VisualBoy Advance.
Available for Windows, Linux and Mac in MFC and WxWidgets flavours.
By sypherceNO$GBA (pronounced "no cash GBA") is a free Nintendo DS and Game Boy Advance emulator for Microsoft Windows & DOS. It is capable of running commercial and homebrew Game Boy Advance and Nintendo DS ROMs, many at full speed. It is the first Nintendo DS emulator running commercial ROMs. However, this claim has been disputed by many in the emulation community. NO$GBA was developed by Martin Korth.