PIF - FPGA Boards for the Raspberry Pi
The pif boards are Field Programmable Gate Array (FPGA) add-on boards for the Raspberry Pi 1B+, Pi 2B, Pi 3B, and Pi Zero. Extensive software support is included.
BX8 - a 1GHz Logic Analyzer
The BX8 is an extremely affordable 1GHz Logic Analyzer with comprehensive software support.