A curated list of Functional Mock-up Interface (FMI) libraries, tools and resources.

• UpdatedNov 8, 2024

FMI.jl is a free-to-use software library for the Julia programming language which integrates FMI (fmi-standard.org): load or create, parameterize, differentiate and simulate FMUs seamlessly inside the Julia programming language!

• UpdatedFeb 12, 2025
• Julia

FMIFlux.jl is a free-to-use software library for the Julia programming language, which offers the ability to place FMUs (fmi-standard.org) everywhere inside of your ML topologies and still keep the resulting model trainable with a standard (or custom) FluxML training process.

• UpdatedApr 1, 2025
• Julia

Tool that allows Functional Mock-up Units (FMUs) to be accessed through language independent RPC calls by wrapping the original FMU into a new one with network capabilities.

• UpdatedSep 3, 2021
• Kotlin

FMI-compliant Model Estimation in Python

• UpdatedJun 22, 2022
• Python

RaPId (a recursive acronym for "Rapid Parameter Identification") utilizes different optimization and simulation technologies to provide a framework for model validation and calibration of any kind of dynamical systems, but specifically catered to power systems.

• UpdatedApr 8, 2025
• Modelica

FMI4j is a software package for dealing with Functional Mockup Units (FMUs) on the JVM

• UpdatedJan 4, 2023
• Java

Tool to compare curves from one csv files with curves from other csv files using an adjustable tolerance

• UpdatedSep 27, 2024
• C#

FMIExport.jl is a free-to-use software library for the Julia programming language which allows for the export of FMUs (fmi-standard.org) from any Julia-Code. FMIExport.jl is completely integrated into FMI.jl.

• UpdatedMar 31, 2025
• Julia

Simulator for FMUs in Julia (WIP)

• UpdatedJan 10, 2022
• Julia

Simplified C-Interface for fmi2 models. Includes .net wrapper.

• UpdatedMar 15, 2020
• C

FMIImport.jl implements the import functionalities of the FMI-standard (fmi-standard.org) for the Julia programming language. FMIImport.jl provides the foundation for the Julia packages FMI.jl and FMIFlux.jl.

• UpdatedMar 15, 2025
• Julia

Benchmarking building automation and control systems

• UpdatedFeb 13, 2023
• Python

FMICore.jl implements the low-level equivalents of the C-functions and C-data types of the FMI-standard (fmi-standard.org) for the Julia programming language.

• UpdatedMar 11, 2025
• Julia

FMU Manipulation Toolbox is a python library and applications which modify or create Functional Mock-up Units (FMU) without recompilation. It mainly modifies the modelDescription.xml file. It is highly customizable.

• UpdatedApr 16, 2025
• C

ERT webviz plugins

• UpdatedMar 21, 2025
• Python

Build FMUs using modern C++

• UpdatedFeb 16, 2025
• C++

Generate standard form system FMUs through CLI.

• UpdatedOct 26, 2023
• C

Single header C++17 wrapper for FMILibrary

• UpdatedOct 29, 2019
• C++

FMU data standard and data export with rich metadata in the FMU context

• UpdatedApr 10, 2025
• Python