Showing 569 open source projects for "realistic"

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  • 1
    Stellarium

    Stellarium

    GPL software which renders realistic skies in real time

    Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope. Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
    Downloads: 71 This Week
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  • 2
    faker-cxx

    faker-cxx

    C++ Faker library for generating fake (but realistic) data

    Faker C++ is a C++ library inspired by the popular Faker.js, aimed at providing developers with a robust tool for generating fake (but realistic) data. Whether you're building test suites, populating databases, or creating demos, Faker C++ has got you covered.
    Downloads: 0 This Week
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  • 3
    Hunyuan3D-2.1

    Hunyuan3D-2.1

    From Images to High-Fidelity 3D Assets

    Hunyuan3D-2.1 is Tencent Hunyuan’s advanced 3D asset generation system that produces high-fidelity 3D models with Physically Based Rendering (PBR) textures. It is fully open-source with released model weights, training, and inference code. It improves on prior versions by using a PBR texture pipeline (enabling realistic material effects like reflections and subsurface scattering) and allowing community fine-tuning and extension. It supports both shape generation (mesh geometry) and texture generation modules. Physically Based Rendering texture synthesis to model realistic material effects, including reflections, subsurface scattering, etc. Cross-platform support (MacOS, Windows, Linux) via Python / PyTorch, including diffusers-style APIs.
    Downloads: 11 This Week
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  • 4
    Phaser Box2D

    Phaser Box2D

    A high-performance, industry-standard 2D physics engine built on Box2D

    Phaser Box2D is a high-performance 2D physics engine built on Box2D v3, tailored for Phaser games. It delivers realistic physics simulations, enhancing the interactivity and engagement of web-based games.
    Downloads: 3 This Week
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  • 5
    Dia

    Dia

    A TTS model capable of generating ultra-realistic dialogue

    Dia is a neural text-to-speech model designed specifically for generating ultra-realistic dialogue in a single pass. Instead of focusing on isolated sentences or flat narration, it is optimized for conversational audio, complete with natural turn-taking, prosody, and pacing. The model can be conditioned on a reference audio sample, allowing you to control emotion, tone, and other stylistic aspects of the speech. It can also produce nonverbal vocalizations like laughter, coughs, clearing the throat, and similar sounds, which are crucial for making synthetic conversations feel human. ...
    Downloads: 3 This Week
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  • 6
    Wan2.1

    Wan2.1

    Wan2.1: Open and Advanced Large-Scale Video Generative Model

    Wan2.1 is a foundational open-source large-scale video generative model developed by the Wan team, providing high-quality video generation from text and images. It employs advanced diffusion-based architectures to produce coherent, temporally consistent videos with realistic motion and visual fidelity. Wan2.1 focuses on efficient video synthesis while maintaining rich semantic and aesthetic detail, enabling applications in content creation, entertainment, and research. The model supports text-to-video and image-to-video generation tasks with flexible resolution options suitable for various GPU hardware configurations. ...
    Downloads: 62 This Week
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  • 7
    robosuite

    robosuite

    A Modular Simulation Framework and Benchmark for Robot Learning

    ...Developed by the ARISE Initiative, Robosuite offers a set of standardized benchmarks and customizable environments designed to advance research in robotic manipulation, control, and imitation learning. It emphasizes realistic simulations and ease of use for both single-task and multi-task learning.
    Downloads: 0 This Week
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  • 8
    pix2pixHD

    pix2pixHD

    Synthesizing and manipulating 2048x1024 images with conditional GANs

    pix2pixHD is a PyTorch-based implementation of a conditional generative adversarial network designed for high-resolution image-to-image translation, capable of producing photorealistic outputs at resolutions up to 2048×1024. It is widely used to convert structured inputs such as semantic label maps into realistic images, making it particularly valuable in applications like autonomous driving simulation, face synthesis, and scene generation. The model improves upon earlier GAN approaches by introducing multi-scale generators and discriminators that enable stable training and fine detail generation at large resolutions. It also supports interactive editing, allowing users to modify semantic regions and regenerate images with realistic adjustments.
    Downloads: 2 This Week
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  • 9
    Nelmio Alice

    Nelmio Alice

    Expressive fixtures generator

    Nelmio Alice is a PHP library designed to generate complex data fixtures for testing and development environments. It uses YAML, XML, or PHP files to define fixture templates, making it easy to create realistic and varied data sets. Alice integrates well with Doctrine ORM, allowing developers to quickly populate databases with test data, making it especially useful for automated testing and staging environments.
    Downloads: 0 This Week
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  • 10
    KiCad

    KiCad

    This is an active mirror of the KiCad development branch

    KiCad's PCB Editor is approachable enough to make your first PCB design easy, and powerful enough for complex modern designs. A powerful interactive router and improved visualization and selection tools make layout tasks easier than ever. This is an active mirror of the KiCad development branch, which is hosted at GitLab (updated every time something is pushed).
    Downloads: 150 This Week
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  • 11
    Realistic VHS Video Converter

    Realistic VHS Video Converter

    Convert any High-Quality and modern videos into realistic VHS videos

    Create your vintage and realistic VHS videos from the 1980's, 1990's and 2000's with any of your videos using a special conversion utility for Microsoft Windows.
    Downloads: 22 This Week
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  • 12
    oha

    oha

    HTTP load generator, inspired by rakyll/hey with tui animation

    oha is a tiny program that sends some load to a web application and shows real-time tui inspired by rakyll/hey. This program is written in Rust and powered by tokio and beautiful tui by tui-rs. -q option works differently from rakyll/hey. It's set the overall query per second instead of for each worker.
    Downloads: 0 This Week
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  • 13
    AIGCPanel

    AIGCPanel

    One-stop AI digital human system with video voice synthesis tools

    ...AIGCPanel also includes tools for synchronizing lip movements with generated speech, enabling more realistic digital avatar videos. Built using modern desktop technologies, it delivers a cross-platform experience while maintaining a graphical interface for monitoring tasks and logs.
    Downloads: 5 This Week
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  • 14
    ZJU Icicles

    ZJU Icicles

    Zhejiang University Course Guide Sharing Program

    ...New contributors can add or improve items via pull requests, keeping the repository alive and representative of the evolving curriculum. For incoming and current students alike, it reduces information asymmetry and helps plan coursework with realistic expectations.
    Downloads: 72 This Week
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  • 15
    mapgen2

    mapgen2

    Map generator for games

    ...It focuses on generating continent/island style maps (coastlines, mountains, rivers, etc.) with a vector / polygonal structure rather than a full high-resolution tile grid. Originally written in ActionScript, this tool emphasizes generating aesthetically pleasing island maps with realistic natural features while keeping computational complexity manageable. It supports exporting to SWF (Flash) via appropriate tooling. The most important features I want are nice island/continent coastlines, mountains, and rivers. Non-goals include impassable areas (except for the ocean), maze-like structures, or realistic height maps.
    Downloads: 4 This Week
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  • 16
    NVIDIA Isaac Sim

    NVIDIA Isaac Sim

    NVIDIA Isaac Sim is an open-source application on NVIDIA Omniverse

    ...It supports a wide array of robotics formats (URDF, MJCF, CAD), includes GPU-accelerated physics, and features immersive RTX rendering and multisensory simulation. Realistic physics via GPU-accelerated engines and RTX ray tracing. Multi-sensor simulation (RGB-D cameras, Lidar, Radar, IMU, contact sensors). Extensible via platform APIs and can integrate into custom USD-based simulators.
    Downloads: 2 This Week
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  • 17
    DevOps Exercises

    DevOps Exercises

    Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git

    ...It spans Linux, networking, Docker, Kubernetes, CI/CD, monitoring, cloud providers, security, and even soft skills and troubleshooting. The idea is to give candidates and teams a realistic practice ground for interviews, certifications, and day-to-day operational work. Because it’s structured as Q&A and exercises, you can go through it progressively or dip into specific domains where you need strengthening. The repository gets frequent contributions, keeping it aligned with current tooling and practices. It is widely used by people preparing for DevOps roles because it mirrors the style and depth of questions companies actually ask.
    Downloads: 1 This Week
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  • 18
    LingBot-World

    LingBot-World

    Advancing Open-source World Models

    LingBot-World is an open-source, high-fidelity world simulator designed to advance the state of world models through video generation. Built on top of Wan2.2, it enables realistic, dynamic environment simulation across diverse styles, including real-world, scientific, and stylized domains. LingBot-World supports long-term temporal consistency, maintaining coherent scenes and interactions over minute-level horizons. With real-time interactivity and sub-second latency at 16 FPS, it is well-suited for interactive applications and rapid experimentation. ...
    Downloads: 4 This Week
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  • 19
    The Powder Toy

    The Powder Toy

    Sandbox video game with a powerful physics engine

    ...The Powder Toy is a free physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances! The game provides you with various building materials, liquids, gases and electronic components which can be used to construct complex machines, guns, bombs, realistic terrains and almost anything else. You can then mine them and watch cool explosions, add intricate wirings, play with little stickmen or operate your machine. You can browse and play thousands of different saves made by the community or upload your own
    Downloads: 65 This Week
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  • 20
    Hiring Without Whiteboards

    Hiring Without Whiteboards

    Companies that don't have a broken hiring process

    Hiring-without-whiteboards is a curated list of companies and teams that avoid traditional "whiteboard" interviews, instead focusing on realistic and practical evaluation methods. In this context, "whiteboards" symbolizes outdated or unhelpful computer science trivia questions often criticized in technical interviews. The project highlights organizations that emphasize interviewing techniques more aligned with actual day-to-day work, such as collaborative problem-solving, pair programming, or take-home assignments. ...
    Downloads: 2 This Week
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  • 21
    User Agents

    User Agents

    A JavaScript library for generating random user agents with data

    User Agents is a JavaScript library that generates realistic and up-to-date user agent strings and browser fingerprints based on real-world usage data. The library is designed to help developers simulate authentic browser traffic patterns, which is particularly useful in web scraping, testing, and automation scenarios. Unlike simpler random user agent generators, it uses frequency-weighted datasets to ensure that generated values reflect how browsers are actually used in the wild. ...
    Downloads: 1 This Week
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  • 22
    Planck.js

    Planck.js

    2D JavaScript Physics Engine

    Planck.js is a JavaScript rewrite/port of the physics engine Box2D, designed to provide 2D rigid-body physics simulation usable directly in web contexts or any JavaScript environment. By offering collision detection, rigid-body dynamics, joints, and simulation capabilities, Planck.js makes it possible for developers to build physically realistic 2D games, simulations, or visualizations in browsers or Node.js without relying on native code. Its API mirrors Box2D’s concepts — bodies, fixtures, shapes, joints — which makes it familiar to users of classic Box2D, while being idiomatic for JavaScript developers. Because it's pure JavaScript, Planck.js integrates easily with HTML5 canvas, WebGL, or other browser-based rendering pipelines, facilitating smooth physics-driven games across platforms. ...
    Downloads: 2 This Week
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  • 23
    Petri

    Petri

    An alignment auditing agent capable of exploring alignment hypothesis

    Petri is an open-source alignment auditing agent that lets researchers rapidly test concrete safety hypotheses against target models using realistic, multi-turn scenarios. Instead of building bespoke evals, Petri automatically generates audit environments from seed “special instructions,” orchestrates an auditor model to probe a target model, and simulates tool use and rollbacks to surface risky behaviors. Each interaction transcript is then scored by a judge model using a consistent rubric so results are comparable across runs and models. ...
    Downloads: 2 This Week
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  • 24
    Hoverfly

    Hoverfly

    Lightweight service virtualization/ API simulation / API mocking tool

    Hoverfly is a lightweight, open source API simulation tool. Using Hoverfly, you can create realistic simulations of the APIs your application depends on. Replace unreliable test systems and restrictive API sandboxes with high-performance simulations in seconds. Run on MacOS, Windows or Linux, or use native Java or Python language bindings to get started quickly. Simulate API latency or failure when required by writing custom scripts in the language of your choice.
    Downloads: 0 This Week
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  • 25
    Wallaby

    Wallaby

    Concurrent browser tests for your Elixir web apps

    Wallaby helps you test your web applications by simulating realistic user interactions. By default, it runs each test case concurrently and manages browsers for you. Here's an example test for a simple Todo application. Because Wallaby manages multiple browsers for you, it's possible to test several users interacting with a page simultaneously. Read on to see what else Wallaby can do or check out the Official Documentation.
    Downloads: 0 This Week
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