Check out the circuit designing suite. Work with a variety of instruments for developing and enhancing individual elements of a circuit model, combine different parts, detect faults and errors in standard expected functionality, test hardware compatibility.
There was a download of XJTAG 2.6 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most frequent installer filenames for the program include: XJRunner.exe and XJTAG.exe etc.
The program is included in Development Tools. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The most popular versions among XJTAG users are 2.6, 2.5 and 2.3. The actual developer of the free program is Twentyone.
From the developer:
XJTAG provides high-end, professional hardware and software boundary scan products to speed up circuit design and development, through to production test and field maintenance. We can offer you a full range of JTAG products to help you debug board designs with BGAs, test hardware that includes FPGAs, CPLDs, DSPs or microprocessors, detect faults and prove your design quickly and easily.
You may want to check out more software, such as LINDO API, Poseidon or RapidDriver, which might be similar to XJTAG.