SimFlow From €666.67/mo · Free plan 9.3 Visit 
ASCEND
ascend4.org
Spec sheet
- Purpose
- ASCEND solves systems of equations and is aimed at engineers and scientists.Read 11 Oct 2026 · ascend4.org
- Platforms
- The site lists downloads for Windows, Linux, and Mac; it says macOS installation may require building from source.Read 11 Oct 2026 · ascend4.org
- Free plan
- YesRead 21 Sep 2026 · ascend4.org
- Support
- The site invites users to report bugs, contact the team, and contribute models and other work.Read 11 Oct 2026 · ascend4.org
- License
- ASCEND is released under the General Public License.Read 11 Oct 2026 · ascend4.org
- Founded
- 1978Read 28 Sep 2026 · ascend4.org
- Authoring tools
- YesRead 21 Sep 2026 · ascend4.org
- Automation
- ASCEND exposes its interface through C, C++, and Python, and users can automate model loading and solving with Python scripts.Read 11 Oct 2026 · ascend4.org
- Current release
- The homepage identifies version 0.9.8 as the current version.Read 11 Oct 2026 · ascend4.org
- Data export
- YesRead 21 Sep 2026 · ascend4.org
- Delivery mode
- desktopRead 21 Sep 2026 · ascend4.org
- Extensions
- External libraries can add solvers, integrators, methods, relations, and import handlers; external methods can also be written in Python.Read 11 Oct 2026 · ascend4.org
- GUI
- The GUI lets users load models, choose a solver or integrator, and inspect how the model is solved.Read 11 Oct 2026 · ascend4.org
- Modeling
- It lets users build complex models from simpler submodels using a special-purpose modeling language.Read 11 Oct 2026 · ascend4.org
- Problem types
- It can solve nonlinear equations, linear and nonlinear optimization problems, and dynamic systems expressed as differential/algebraic equations.Read 11 Oct 2026 · ascend4.org
- Thermodynamics
- It includes thermodynamics capabilities for distillation and flash problems and integrates IAPWS-IF97 steam tables.Read 11 Oct 2026 · ascend4.org
- Units
- ASCEND handles units of measurement and converts between units such as inches, feet, centimeters, meters, and kilometers.Read 11 Oct 2026 · ascend4.org
Plans and prices
ASCEND Free Free open-source software Read 11 Oct 2026 · ascend4.org
Where Specifiction places it
- Physics Simulation Software#23 of 898.2
