Pricing
FDTDX pricing
As fdtdx.readthedocs.io lists them, read 4 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| FDTDX | Open source · freely available for research, development, and commercial use | Free |
From fdtdx.readthedocs.io.