There was a download of SPIGen 7.1.3 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free software is an intellectual property of Freescale Semiconductor, Inc.
The following versions: 7.1, 7.0 and 5.0 are the most frequently downloaded ones by the program users. We recommend checking the downloaded files with any free antivirus. The default filename for the program's installer is SPIGen.exe. SPIGen is included in Development Tools.
From the developer:
SPIGen is a fully customizable SPI generator package, which can easily adapt to a wide variety of SPI protocol specifications. It supports the Freescale USB SPI dongle/interface. It can save common SPI commands by name, batches of SPI commands can be sent with one click, take control of nine extra non-SPI pins and much more.
You may want to check out more software, such as LINDO API, Poseidon or RapidDriver, which might be related to SPIGen.