DynamicalSystems.jl vs FeenoX
DynamicalSystems.jl
juliadynamics.github.ioFeenoX
seamplex.comSide by side
| Figure | DynamicalSystems.jl | FeenoX |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 2 |
| Spec score · Physics Simulation Software | 8.6 (#13) | 8.8 (#3) |
| Audience | The project describes use in scientific research and education, and says it gives teachers a framework for demonstrating runnable nonlinear-dynamics code. | Official pages present FeenoX for industry engineers, Unix hackers and academic professors, with advanced users as the target audience. |
| Authoring tools | Yes | Yes |
| Data export | Yes | Yes |
| Delivery mode | desktop | desktop |
| Free plan | Yes | Yes |
| Installation | The documented installation command is `import Pkg; Pkg.add("DynamicalSystems")` in Julia. | Official installation options include Debian or Ubuntu packages, statically linked GNU/Linux binaries, source tarballs and the GitHub repository. |
| Integrations | The documentation demonstrates visualization with Makie and model construction using ModelingToolkit, and notes that Julia interoperability can enable use from Python through juliacall. | It reads Gmsh meshes, uses PETSc and SLEPc solvers, and writes Gmsh MSH or ParaView VTK/VTU results. |
| Offline access | Yes | Yes |
| Purpose | DynamicalSystems.jl is a Julia-based general-purpose library for nonlinear dynamics and nonlinear time-series analysis. | FeenoX is a cloud-first computational engineering tool for solving engineering problems with one or many computers in parallel. |
| Support | Users can ask questions through Julia Discourse, Julia Slack, or GitHub issues, with the project recommending Discourse for involved questions and issues for unexpected behavior. | The project directs users to GitHub Discussions for help and GitHub Issues for bug reporting. |
| 3D visuals | Yes | Yes |
Plans
In their own words
DynamicalSystems.jl
DynamicalSystems.jl has no write-up on Specifiction yet; its figures are above.
FeenoX
FeenoX is free, open-source computational engineering software for solving mathematical and engineering problems, including work across computers in parallel. It handles ODEs and DAEs, along with finite-element problems such as heat conduction, thermo-mechanical analysis, modal analysis, neutron diffusion, and neutron transport. Users describe problems in self-descriptive, English-like plain-text input files, so changes do not require recompiling. FeenoX reads Gmsh meshes and writes results in Gmsh MSH or ParaView VTK/VTU formats. It uses GNU GSL, SUNDIALS, PETSc, and SLEPc for computational tasks, and supports MPI parallelization. Installation options include Debian or Ubuntu packages, source tarballs, the GitHub repository, and generic statically linked GNU/Linux binaries. Ubuntu packages are available from version 25.04 onward. The generic binaries omit MUMPS and MPI and use basic optimization flags. FeenoX has no graphical interface, targets GNU/Linux, and is not expected to run in Windows. Browser access is available through interfaces such as SunCAE and CAEplex.