The MXCHIP EMW3060 is a small Wi-Fi board that integrates an ARM processor, which can help developers deliver small IoT projects affordably. The EMW3060 may have less flexibility than its Arduino alternatives though.
https://www.notebookcheck.net/MXCHIP-EMW3060-An-Arduino-alternative-developer-board-with-Wi-Fi-for-less-than-US-2.403661.0.html