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simulation

FlightGear open-source flight simulator flightgear.org

The GROMACS molecular simulation toolkit.

Kit bindings for Box2D v3 - 2D physics engine with rigid bodies, joints, and collision detection

Pyxel is a general detector simulation framework (https://esa.gitlab.io/pyxel). An easy-to-use framework that can simulate a variety of imaging detector effects combined on images (e.g. radiation and optical effects, noises) made by CCD or CMOS-based detectors.

Project SynthesisMotion is an open-source AGPL-3.0+ research framework for adaptive motion intelligence systems. It combines real-time vehicle identity modeling, physics-informed dynamics, and adaptive control with a formal safety verification layer. The system is designed to continuously learn how a physical vehicle behaves, adapt to changes in real time, and enforce strict safety constraints during operation.

Pyralysis is a Python library for radio interferometry: visibility simulation, gridding, optimization-based image reconstruction, and analysis pipelines with Dask-friendly scaling, documented APIs, and optional cluster (SLURM) workflows. GPL-3.0.

Vendor-Independent, Fully Verified, Open Source VHDL Common Library

Trionyx is a multi-agent robotics fleet intelligence platform that coordinates autonomous robots through a shared world model, dynamic task graphs, and real-time scheduling. It focuses on distributed decision-making, simulation-first validation, and adaptive optimization to manage complex warehouse and industrial operations.

The Modular Non-Invasive BCI Engineering Platform is an open-source, AGPL-3.0+ neuroengineering framework designed to unify wearable brain-computer interfaces, hardware abstraction, and real-time neural decoding into a single modular system. It enables developers to build, simulate, and deploy EEG-based applications through interchangeable wearable and hardware modules, supported by machine learning pipelines, sleep and dream state analysis, hardware development tooling, and legal assurance systems for design validation and compliance.

LAVE (Low-Altitude Vehicle Experiment) is an open-source research platform exploring human-scale hover in the sub-meter regime using distributed electric thrust, real-time stabilization, and fully transparent hardware and software systems. Built for reproducibility and experimentation rather than productization, it focuses on measuring the unstable transition between ground contact and sustained flight, with all telemetry, failures, and design iterations openly shared as part of the research process.

KineticKind is an open-source SUV platform designed to make entering and exiting a vehicle safe, comfortable, and dignified through intelligent seat-assist technology. By combining rotating lift seats, accessibility-focused engineering, and a fully open development model, the project reimagines mobility around real human movement rather than mechanical constraints. Built under the AGPL-3.0+ license, KineticKind invites a global community to collaborate on creating more inclusive transportation for everyone.

Circulis Aqua is an AGPL 3.0+ modular infrastructure design system for desalination, water purification, reuse, and geospatial distribution. It uses AI-assisted configuration to design scalable, plug-in water systems that range from residential units to municipal and regional grids. Built on a graph-based water flow model, it enables local-first optimization, closed-loop water reuse, and intelligent routing to ensure no water is wasted across interconnected infrastructure networks.

Open Arsenal provides open, self-hosted software specifications designed for deployment across private and public networks. Built for portability, interoperability, and transparency, each specification gives organizations the freedom to implement and customize solutions without vendor lock-in while remaining free to use under the AGPL-3.0+ license with required attribution. Specification Branding Licenses available upon request.

StructIQ is an open-source, AI-assisted structural engineering platform that combines traditional FEM with real-time AI support to optimize, simulate, and innovate building designs. It features digital twin capabilities, global building code compliance, predictive hazard analysis, advanced visualization, and an education/training mode. Fully modular, future-proof, and licensed under AGPL 3.0+.

AETHER STAGE is a cinematic spatial intelligence system that transforms filmmaking into a structured, physics-aware, and fully directable simulation. It replaces prompt-based generation with a layered architecture of persistent 360° assets, mass-based spatial constraints, causal narrative systems, and a Director Override Layer that enforces creative intent above all simulation rules.

Atlas Continuum System is a spec-driven operating system for building persistent narrative, visual, and physics-based worlds. Instead of relying on prompt-to-output generation, it compiles structured narrative specifications into consistent simulations using identity-locked character agents, reusable visual assets, and law-governed physics. Every change is traceable, governed through human approval, and designed to preserve continuity across stories, worlds, and time.

Applied Unknowns is an open-source action-adventure scientific sandbox where gameplay becomes structured contribution to a persistent, deterministic simulation. Players explore, experiment, and build systems that are measured, validated, and permanently integrated into the evolving world. Instead of traditional progression or disposable content, every meaningful action can become lasting infrastructure, shaping how the world functions for everyone.

Agility Ascension is an open-source dog agility training and competition simulation game designed for ages 5+. Players form a handler–dog team and progress through structured practice fields, distraction-heavy environments, advanced distance handling challenges, and competitive trials. The experience evolves from foundational skill-building into high-pressure performance scenarios shaped by the Leaf Module’s environmental effects and a modular progression system, ultimately leading into multiplayer global competition where teamwork, timing, and focus determine success.

SimGear - simulation libraries for FlightGear

Menura is a space plasma simulation code. It is built around a hybrid Particle In Cell (PIC) solver, running on Graphics Processing Units. More informations on https://menura.readthedocs.io