Simulation

Future AGI is an open-source platform for evaluating, tracing, and improving LLM and AI agent applications, combining evals, observability,...

A contact solver for physics-based simulations of cloth, solids, rods, rigid bodies, and granular materials, originally developed as an in-house...

Velxio is a browser-based emulator for Arduino, ESP32, Raspberry Pi, and 16 other embedded boards, enabling users to write C++ or Python code and...

BEHAVIOR-1K is a simulation benchmark platform for embodied AI research, providing 1,000 everyday household tasks (cleaning, cooking, organizing)...

Jolt Physics is a multi-threaded rigid body physics and collision detection library written in C++ designed for games and VR applications. It...

OpenSim is a specialized software platform for musculoskeletal biomechanics simulation, enabling researchers and clinicians to build anatomical...

AgentSociety 2 is an LLM-native agent simulation platform for creating multi-agent systems in urban environments and research workflows, designed...

Avian is an ECS-driven physics engine for the Bevy game engine, supporting both 2D and 3D simulations built natively for Bevy rather than wrapping...

LocationSimulator is a macOS application that spoofs device locations for iOS, iPadOS, tvOS, and the iPhone Simulator without requiring jailbreaks or...

RocketPy is a specialized 6-degree-of-freedom trajectory simulation library for high-power rocketry, enabling engineers and researchers to model...

Chrono is a mature, high-performance C++ library for multiphysics and multibody dynamics simulations, supporting rigid/flexible bodies, granular...

SOFA is an open-source C++ framework for real-time multi-physics simulation using the Finite Element Method, with primary focus on medical simulation...

OpenTTD is a free, open-source transport simulation game that recreates and extends the classic Transport Tycoon Deluxe. It serves players who want a...

cosmos.gl is a GPU-accelerated WebGL force graph layout engine designed for real-time visualization of large network graphs (hundreds of thousands of...

Gazebo Sim is a high-fidelity open-source robotics simulator providing physics engines, 3D rendering, sensor models, and plugin architecture for...

OpenCat is an open-source framework for building and programming affordable quadruped robots (robot dogs and cats) using Arduino and Raspberry Pi. It...

gem5 is a modular, open-source computer-system architecture simulator used primarily for evaluating new hardware designs, system software changes,...

pgmpy is a Python toolkit for causal and probabilistic reasoning using graphical models, implementing data structures and algorithms for Bayesian...

An AI-driven simulation platform where LLM-powered NPCs autonomously inhabit a Xianxia (cultivation fantasy) world with emergent narratives. Users...

OpenRocket is a free, cross-platform desktop application for designing model rockets and simulating their flight characteristics using...

WebGL Wind is a high-performance GPU-accelerated visualization library for rendering wind particle simulations, capable of displaying up to 1 million...

JSBSim is an open-source flight dynamics model (FDM) library written in C++ that simulates aircraft physics and control systems with 6 degrees of...

HASH is an open-source, multi-tenant platform for building self-evolving knowledge graphs and running simulations. It combines graph database...

Mesa is a Python library for agent-based modeling (ABM) that provides built-in components like spatial grids and schedulers, browser-based...

NativeLink is a high-performance build cache and remote execution server written in Rust, designed to accelerate builds for Bazel, Buck2, Pants, and...

PyBaMM is an open-source Python package for fast, physics-based battery modeling and simulation. It provides a differential equation framework,...

Synthea is a Java-based synthetic patient population simulator that generates realistic (but not real) patient health records in multiple formats...

The Powder Toy is a free, open-source physics sandbox game written in C++ that simulates air pressure, velocity, heat, and gravity to enable creative...

MOOSE is a finite-element multiphysics simulation framework developed by Idaho National Laboratory, designed for scientists and engineers solving...

Qucs-S is a circuit simulation environment with a Qt6-based graphical interface that wraps multiple SPICE kernels (Ngspice, Xyce, SpiceOpus,...