WizFi250-EVB is a Evaluation board for WizFi250.
W6100-EVB is an evaluation board for W6100 chip based on the 32-bit ARM® Cortex™-M3 microcontroller. It is the easy way to develop internet connection for efficient and small embedded systems using W6100, WIZnet's hardwired TCP/IP embedded Ethernet controller. It has been designed to be hardware pin-compatible with 'Arduino shields' for the 'Arduino UNO...
W5500-EVB-M3, W5500 Evaluation Board with STM32F103RCT6 + W5500 design, based on the ARM Cortex-M3 platform.