Hello,For ARM Cortex-A9 development boards, you could have a look at:- Texas Instruments BeagleBone or PandaBoard.- Freescale i.MX6 (at top right list of Ecosystem partners)- NVIDIA Tegra2 or board solution from Toradex, ...- STMicroelectronics SPEAr eMPUs.- etc...About tools, you can find both ARM Tools and third parties, either GNU or not...Cheers,Alban