Boris Landoni from Open Electronics writes about a new open source Wi-Fi Shield for Arduino:
Despite the proliferation of hardware to connect Arduino with the web, and especially despite YUN, we considered useful to design and propose a new WiFi shield for Arduino, which replaces the one already presented.
This time we indeed added an interface processor that manages the TCP/IP protocol: a definitely too challenging task for Arduino. Anyway a network interface card becomes really useful if it’s driven by software which simplifies as much as possible its use, especially in a context of reduced hardware resources such as with Arduino. For this reason we supplied the card with a Arduino library, that is easier than that for more complex hardware such as that of YUN.