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SPECIFICTION
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FDTDX vs SimuPhysics

FDTDX

fdtdx.readthedocs.io

SimuPhysics

simuphysics.com

Side by side

FigureFDTDXSimuPhysics
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
Web—Yes
LinuxYes—
Self-hostedYes—
Plans published11
Spec score · Physics Simulation Software8.6 (#12)7.8 (#38)
Delivery modedesktopweb
Free planYesYes
Intended usersThe project describes FDTDX as freely usable for research, development, and commercial work involving photonic nanostructures.The site identifies students, teachers, self-learners, and curious minds as its intended users.
Lesson libraryNoYes
SupportThe FAQ invites users to open GitHub discussions for unanswered questions and issues for suspected bugs, and says the maintainers regularly check discussions.The contact page offers WhatsApp and email support and says Mohamed Abdelsalam typically responds within 24 hours.
3D visualsYesYes

Plans

FDTDX

  • FDTDXFree

FDTDX pricing →

SimuPhysics

  • FreeFree

SimuPhysics pricing →

In their own words

FDTDX

FDTDX has no write-up on Specifiction yet; its figures are above.

Visit fdtdx.readthedocs.io

SimuPhysics

SimuPhysics has no write-up on Specifiction yet; its figures are above.

Visit simuphysics.com