Open-source alternatives to Chipmunk2D

This project is a first-person shooter game engine and a pseudo-3D rendering engine written in C. It serves as a software framework for rendering three-dimensional environments and managing entity physics. The engine includes a networked multiplayer system designed to synchronize game state and player actions across a client-server network. It utilizes a portable codebase that allows game logic to be adapted across different operating systems and hardware architectures. Core capabilities cover 3D game engine architecture, including spatial partitioning and depth-based rendering. The system a

Habitat-sim is a high-performance 3D simulation platform designed for training and benchmarking embodied AI agents within photorealistic indoor and outdoor environments. It serves as a simulator for AI and robotics, providing a system for generating synthetic data and simulating physical interactions. The project is distinguished by a native C++ core that enables high-throughput simulation and a rendering pipeline using physically based rendering and baked global illumination. It features a navigation system based on pre-computed navigation meshes to ensure collision-free traversal and a rigi

Warp is a Python framework that JIT-compiles Python functions into CUDA kernels for GPU-accelerated parallel computation, with built-in automatic differentiation and multi-framework array interoperability. At its core, it provides a GPU kernel compilation system that enables writing and executing custom GPU kernels directly from Python, while supporting automatic gradient computation through those kernels for integration with machine learning pipelines. The framework also includes tile-based cooperative computing, where thread blocks partition into tiles for shared-memory and tensor-core opera

This project is a parallel simulation engine and molecular dynamics simulator designed to model the physical movements of atoms and molecules. It functions as an interatomic potential framework for calculating forces between particles and a materials analysis tool for computing thermodynamic, structural, and transport properties of solids and fluids. The engine is distinguished by its high-performance computing capabilities, utilizing spatial-domain decomposition and message-passing interface communication to distribute workloads across processors. It supports multi-backend GPU acceleration v

Panda3D is a cross-platform game engine and 3D graphics rendering system developed for Python and C++. It functions as a comprehensive framework for building interactive 3D applications, providing a real-time physics simulator and a specialized 3D asset pipeline tool. The engine distinguishes itself by combining a high-performance C++ core with interoperable Python language bindings. It utilizes a scene graph architecture to organize 3D objects and provides a pipeline-based asset conversion system to optimize models and textures for runtime loading. Its capability surface includes low-level

Oasis Engine is a web-based game engine and component-based game framework designed for creating real-time interactive 2D and 3D applications for web and mobile platforms. It functions as a real-time 3D renderer and a physics simulation engine capable of producing interactive visual environments. The framework includes a visual scene editor that allows artists and developers to build, layout, and export project scenes through a graphical interface. This system supports visual scene composition and converts these layouts into structured data for runtime reconstruction. The engine's capabiliti

dm_control is a physics-based simulation framework and robot control simulation toolkit designed for creating and interacting with continuous control tasks. It serves as a suite of reinforcement learning environments and a benchmarking tool for evaluating autonomous agents within virtual physics spaces. The framework provides a collection of environments based on MuJoCo physics bindings to simulate rigid body dynamics and contact forces. It features hardware-accelerated rendering and interactive viewers for the visualization of physics environments and agent behavior. The system supports the

Neuraloperator is a library for learning mappings between infinite-dimensional function spaces, serving as a tool to accelerate physics simulations and partial differential equation solving. It implements resolution-invariant models and spectral neural networks that can produce consistent predictions regardless of the input grid resolution or spatial discretization. The framework incorporates physics-informed neural networks that enforce physical constraints and differential equations through specialized loss functions. It utilizes Fourier transforms and spectral projections to process multid

Infinigen is a procedural 3D scene generation framework that creates photorealistic indoor and outdoor environments for computer vision training data. It combines constraint-based object placement, GPU geometry shaders, and ground-truth rendering passes to produce scenes with depth, normals, and segmentation masks alongside final images. The framework distinguishes itself through modular asset composition, a node-graph material system, and physics simulation integration that embeds rigid-body and fluid dynamics directly into the generation pipeline. Procedural rule-based scene composition and

mujoco_menagerie is a curated library of physical robot specifications and XML model definitions designed for standardized dynamics and contact simulation. It provides a collection of high-quality robot model files for humanoids, quadrupeds, and manipulators, alongside detailed kinematic and inertial parameters used to reproduce real-world robot behavior in virtual environments. The project serves as a repository of robotics simulation assets and MJCF model definitions optimized for accuracy. It includes standardized model libraries specifically for bipedal, quadrupedal, and humanoid hardware

Assimp is a cross-platform 3D asset pipeline and import library that loads numerous industry-standard 3D file formats into a single unified internal data structure. It functions as a framework for converting 3D models between different file formats across multiple operating systems and architectures. The project provides a 3D mesh processing tool for normalizing and optimizing geometry through triangulation, vertex removal, and normal generation. It also includes a 3D asset export utility to write internal scene data back into various external file formats. The system covers broad capability

Bullet 3D Physics bindings for Haxe.

C library for cross-platform real-time audio input and output

GNU/Linux packaging made easy! ™

AppImageKit is a system of tools and utilities for bundling Linux desktop applications into single-file, portable executables. It functions as a packager that converts application directories into self-mounting binaries, allowing software to run across multiple Linux distributions without a formal installation process. The project enables portable software distribution by isolating application configurations and home directories from the host system, which allows applications to run from removable media. It includes a filesystem manager for extracting, inspecting, and mounting the embedded im

Buildbot is a Python-based continuous integration framework and distributed build orchestrator. It functions as a build automation engine that coordinates the retrieval of source code, the execution of build steps, and the reporting of results through a central controller and a network of remote worker agents. The system is distinguished by a plugin-based extensibility architecture and a master-worker distribution model. It allows for dynamic build modification at runtime and supports a pluggable database backend for persisting system state and historical build data. The project covers a bro

Buildout is a deployment automation tool written in and extended with Python

⚡️ Super-powered JavaScript project management

💩 Colour ASCII Art Library

An implementation of the MessagePack serialization format in C / msgpack.orgC

A template system for Emacs

cargo-binstall is a toolchain extension and binary artifact manager designed to install pre-compiled Rust binaries from releases. Its primary purpose is to avoid the time and resource costs associated with compiling software from source by fetching pre-built executables. The tool provides mechanisms for discovering and downloading binaries across different architectures and platforms. It includes capabilities for verifying the authenticity and integrity of downloaded packages using cryptographic signature verification against public keys. The system supports automated installation in continu