TI announces the CC3000 SimpleLink Wi-Fi Module boosterpack for Tiva C Series and MSP430 MCU LaunchPads.
The TI CC3000 module is a self-contained Wi-Fi solution that enables
internet connectivity for a wide variety of embedded applications. According to the datasheet, the module includes a 802.11b/g integrated radio, modem, and MAC supporting WLAN communication as a BSS station with CCK and OFDM rates from 1 to 54 Mbps in the 2.4-GHz ISM band. An embedded IPv4 TCP/IP stack is also included.
The CC3000 is available from the TI estore for $35 including shipping.