Feather M0 Adalogger
Adafruit CIRCUIT PLAYGROUND EXPRESS
Adafruit GEMMA M0
The Particle Argon is a powerful Wi-Fi development kit that you can use as a standalone Wi-Fi device or Wi-Fi enabled gateway, repeater, or endpoint for Particle Mesh networks.
STM32 based IoT development board with Wifi. Easy to use web progmanning using arduino like C++ and libraries. Ready to use cloud service. Check out at particle.io
The ST-LINK/V2 is an in-circuit debugger and programmer for the STM8 and STM32 microcontroller families. The single wire interface module (SWIM) and JTAG/serial wire debugging (SWD) interfaces are used to communicate with any STM8 or STM32 microcontroller located on an application board.