Documentation and example projects are included in the download package.
Download the latest version of FastGrav:
...or use this Google Drive link.
Please contact me directly with bug reports, feedback, or questions. I appreciate your help in improving the software, and I can respond to small issues quite quickly.
If the download links are not working for any reason, try this Google Drive link, or email me. I can send you the software directly.
Including the word "FastGrav" in your subject line will ensure I see your email as quickly as possible.