• STM32-E407 (STMicro) - Development Board for STM32F407ZGT6 Cortex-M4 microcontroller  
• STM32F3DISCOVERY (STMicro)  - Development kit featuring STM32F303VCT6 microcontroller
• STM32F4DISCOVERY from ST Micro (Cortex-M4)
  
• nRF51 DK (Nordic Semiconductor) - Development kit with Cortex-M0 based nRF51422 chip for Bluetooth Smart (BLE 4.2) applications
• nRF52832 DK (Nordic Semiconductor) (PCA 10040) - Development kit with Cortex-M4 based nRF52832 chip for Bluetooth Smart (BLE 4.2) applications
  
  • Now possible to address all of the 64K RAM as data ram
    
• nRF52840 DK (Nordic Semiconductor) (PCA 10056) - board supports BLE 5.0, 256 KB RAM and 1 MB Flash
  • Apache Mynewt core OS supported
• BMD-300-EVAL-ES (Rigado) - Development kit featuring Cortex-M4 based nRF52832 chip for Bluetooth Smart (BLE 4.2) applications
• Arduino 
  • Zero 
  • Zero Pro (with Atmel’s SAMD21 MCU featuring Cortex-M0 core)
  • M0 Pro
  • 101
  • Primo
• NUCLEO-F401RE (Cortex-M4)
• FRDM-K64F from NXP (Cortex-M4)
• BLE Nano from RedBear (Nordic nRF51822 SoC based)
• BLE Nano2 and Blend2 from RedBear (Nordic nRF52832 SoC based)

BSPs no longer supported:

• nRF52832 Preview DK (Nordic Semiconductor)  (PCA 10036) - Preview development kit with Cortex-M4 based nRF52832 chip for Bluetooth Smart (BLE 4.2) applications
  • Could only access 32K of the 64K as data ram; the other 32K was code ram.
• nRF52840 Preview DK (Nordic Semiconductor) (PCA 10056) - board supports BLE 5.0, 256 KB RAM and 1 MB Flash