• MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • $300 in Free Credit Towards Top Cloud Services Icon
    $300 in Free Credit Towards Top Cloud Services

    Build VMs, containers, AI, databases, storage—all in one place.

    Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
    Get Started
  • 1
    xBRZ

    xBRZ

    xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju

    xBRZ is a high-quality image upscaling filter for creating beautiful HD representations from low-resolution images. Reference implementations for common emulators can be found in the download section: ● DOSBox ● ePSXe ● HqMAME ● ScummVM ● Snes9x ● Kega Fusion http://sourceforge.net/projects/xbrz/files/ Test the xBRZ scaler with your own images and compare against other scalers with the "Scaler Test" tool: http://sourceforge.net/projects/xbrz/files/ScalerTest_1.1.zip
    Leader badge
    Downloads: 136 This Week
    Last Update:
    See Project
  • 2
    CEmu emulator

    CEmu emulator

    Third-party TI-84 Plus CE / TI-83 Premium CE emulator

    Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 3
    Cxbx-Reloaded

    Cxbx-Reloaded

    Xbox (Original) Emulator

    Cxbx-Reloaded is an open-source emulator that enables original Xbox games and software to run on modern Windows systems and compatible environments like Wine. It aims to recreate the Xbox hardware and software stack through a combination of high-level and low-level emulation techniques, including kernel emulation and GPU translation layers. The project is notable for its focus on compatibility and accuracy, with ongoing efforts to expand the number of playable titles and improve performance. It supports Direct3D-based rendering and integrates networking features to emulate Xbox system behavior more realistically. Unlike simpler emulators, Cxbx-Reloaded includes deep reverse engineering of the Xbox kernel and system APIs, allowing it to execute games without requiring the original console firmware in many cases. The project is actively developed and maintains compatibility lists and community-driven testing efforts.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 4
    RetroPie BIOS

    RetroPie BIOS

    Full BIOS collection for RetroPie

    RetroPie BIOS is a curated collection of BIOS files intended for use with the RetroPie emulation platform, providing the essential firmware required to run a wide range of classic gaming systems. The repository organizes BIOS files for numerous consoles and arcade systems, ensuring compatibility with RetroPie and related emulation environments. Each file in the collection has been verified against reference databases such as the Libretro system definitions, ensuring accuracy and reliability. The project simplifies the process of setting up emulation systems by consolidating required BIOS files into a single, organized package that users can directly integrate into their RetroPie installation. It also includes checksum validation mechanisms, allowing users to verify file integrity and ensure that BIOS files match expected standards. By maintaining a structured and verified dataset, the repository reduces common issues associated with missing or incorrect BIOS files.
    Downloads: 14 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    RetroPie-Setup

    RetroPie-Setup

    Shell script to set up a Raspberry Pi/Odroid/PC

    RetroPie‑Setup is a collection of shell scripts designed to install and configure RetroPie—an emulation frontend—on Raspberry Pi OS, Ubuntu, Odroid, or PC platforms. It automates installing RetroArch, emulator cores, configuring controllers, themes, and optional ports. Used for retro gaming on varied hardware.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 6
    Android Emulator Container Scripts

    Android Emulator Container Scripts

    Minimal scripts to run the emulator in a container for various systems

    android-emulator-container-scripts turns the Android Emulator into a cloud-native service you can run in Docker and Kubernetes, so teams can provision ephemeral Android devices on demand. It includes scripts and container images that configure the emulator for headless operation, wire up networking, and expose endpoints for ADB and web access. A built-in WebRTC bridge lets you stream the emulator screen to a browser with interactive input, which is ideal for CI dashboards, remote debugging, or demo environments. The project focuses on reproducibility and scale: you define which system image to boot, how to persist or reset data, and how many instances to run, then schedule them like any other workload. GPU acceleration, audio, and sensors can be enabled depending on your host and cluster capabilities, while fallbacks like SwiftShader keep things usable when no GPU is available.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 7
    Provenance

    Provenance

    An iOS & tvOS Frontend for Multiple Emulators

    Provenance is an iOS & tvOS frontend for various emulators, supporting multiple Atari, Bandai, NEC, Nintendo, Sega, SNK and Sony console systems. It offers smooth and accurate, full-speed emulation to give you an awesome and genuine playing experience. Provenance is built with a host of awesome features, such as save anywhere and battery saves, controller support, automatic ROM matching and ROM customizations, and many more. Provenance supports a great number of console systems, with more in the works. Start playing your favorite console games on iOS or tvOS now with Provenance!
    Downloads: 13 This Week
    Last Update:
    See Project
  • 8
    PCSX2

    PCSX2

    PlayStation 2 emulator for Windows and Linux

    PCSX2 is a PlayStation 2 emulator for Windows and Linux, started by the same team that brought you PCSX (a Sony PlayStation 1 emulator). Currently, it can emulate thousands of games at full speed
    Downloads: 117 This Week
    Last Update:
    See Project
  • 9
    VirtualBoxes - Free VirtualBox(R) Images

    VirtualBoxes - Free VirtualBox(R) Images

    Appliances of free/open source operating systems for VirtualBox

    We provide ready-to-use Oracle VM VirtualBox(R) images for open-source operating systems that can be used for testing and/or security-related purpose, or for anything you wish. News, HOWTOs and much more is available at the project web site. N.B. Newer OVAs are only available through BitTorrent: torrent links are published only on our website. Please search our database in http://virtualboxes.org/images/
    Leader badge
    Downloads: 324 This Week
    Last Update:
    See Project
  • 8 Monitoring Tools in One APM. Install in 5 Minutes. Icon
    8 Monitoring Tools in One APM. Install in 5 Minutes.

    Errors, performance, logs, uptime, hosts, anomalies, dashboards, and check-ins. One interface.

    AppSignal works out of the box for Ruby, Elixir, Node.js, Python, and more. 30-day free trial, no credit card required.
    Start Free
  • 10
    Yabause
    Yabause is a portable Sega Saturn emulator.
    Leader badge
    Downloads: 52 This Week
    Last Update:
    See Project
  • 11
    EmulatorJS

    EmulatorJS

    A web-based frontend for RetroArch

    EmulatorJS is a web-based frontend for RetroArch that allows users to run retro games directly in a browser without requiring local emulator installations. Built using JavaScript and WebAssembly technologies, it provides access to a wide range of console and arcade systems through a unified interface. The project functions as a library or plugin rather than a standalone application, enabling developers to embed emulation capabilities into websites or custom platforms. It offers multiple build versions, including stable, latest, and nightly, allowing users to balance reliability and cutting-edge features depending on their needs. EmulatorJS leverages CDN distribution for easy deployment and scalability, making it accessible for both personal and production environments. Its architecture supports multiple cores, each corresponding to a different system, enabling broad compatibility across retro gaming platforms.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 12
    v86

    v86

    x86 PC emulator and x86-to-wasm JIT, running in the browser

    v86 is an open-source x86 PC emulator that runs entirely in the browser using WebAssembly for near-native performance. It translates x86 machine code into WebAssembly at runtime, enabling users to boot and run full operating systems without installing anything locally. The emulator supports a wide range of legacy systems, including Linux, Windows 95/98/2000, FreeDOS, and various experimental OSes. It simulates essential hardware components such as CPU, memory, VGA graphics, sound cards, network adapters, and storage controllers. Designed for both experimentation and embedding, v86 can be integrated into web apps or used as a standalone virtual machine environment. Overall, it provides a powerful way to explore operating systems, retro computing, and low-level system behavior directly from a web browser.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 13
    FinalBurn Neo

    FinalBurn Neo

    FinalBurn Neo - We are Team FBNeo

    FinalBurn Neo (FBNeo) is a highly advanced multi-system arcade emulator designed to accurately reproduce classic arcade hardware and selected home consoles on modern systems. It is a continuation of the FinalBurn and FinalBurn Alpha projects, incorporating years of refinement and community-driven development into a robust and feature-rich emulator. The project focuses heavily on balancing accuracy and performance, ensuring that games behave as closely as possible to original hardware while still running efficiently on contemporary devices. FBNeo supports a wide range of arcade boards, including Capcom CPS systems, Neo Geo, Sega System boards, and many others, making it one of the most comprehensive arcade emulators available. Unlike purely preservation-focused emulators, FBNeo includes quality-of-life improvements such as enhanced controls, graphical filters, and usability tweaks that improve the gameplay experience.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 14
    kvm, or kernel-based virtual machine, is a device driver and userspace component for Linux that utilizes hardware virtualization extensions such as Intel's VT to create virtual machines running on a Linux host.
    Downloads: 75 This Week
    Last Update:
    See Project
  • 15
    Tilem - TI Linux Emulator
    TilEm is an emulator for the Z80 series of Texas Instruments graphing calculators. It supports all of the existing models in this series (TI-73, TI-76.fr, TI-81, TI-82, TI-83, TI-83 Plus, TI-84 Plus, TI-85, and TI-86.) TilEm features detailed emulation of all aspects of the calculator hardware, and includes a debugger for writing assembly programs.
    Leader badge
    Downloads: 71 This Week
    Last Update:
    See Project
  • 16
    JSNES

    JSNES

    A JavaScript NES emulator

    JSNES is a JavaScript-based emulator that replicates the functionality of the Nintendo Entertainment System (NES), enabling classic games to run directly in web browsers or Node.js environments. It implements the core components of NES hardware, including the CPU, graphics processing unit, and audio system, to deliver an accurate emulation experience. The project is designed as a library, allowing developers to embed emulation capabilities into web applications or custom interfaces. It includes support for rendering graphics via canvas, handling audio output, and processing input from keyboards or gamepads. The architecture mirrors real hardware systems, making it both an educational tool and a practical emulator. It also supports features such as save states and cheat codes, enhancing usability. Overall, jsnes demonstrates how complex hardware systems can be recreated in software using modern web technologies.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 17
    gpsim - The gnupic Simulator
    gpsim is an open sourced simulator for Microchip's PIC microcontrollers. It supports all three families of PICs: 12-bit, 14-bit, and 16-bit cores. See also gputils http://gputils.sourceforge.net/
    Leader badge
    Downloads: 56 This Week
    Last Update:
    See Project
  • 18
    BlueStacks

    BlueStacks

    World's #1 Android Emulator

    BlueStacks is an Android emulator that enables users to run mobile apps and games on their computers, bridging the gap between mobile and desktop environments. With BlueStacks, users can enjoy the full functionality of Android apps on a larger screen, with better controls and enhanced performance options. Designed to support gaming and productivity, it allows for multitasking, keyboard and mouse compatibility, and customizable settings, providing a seamless experience for users who want to bring mobile app capabilities to their desktops.
    Downloads: 121 This Week
    Last Update:
    See Project
  • 19
    PSCoverDL

    PSCoverDL

    Small tool to download PS1/PS2 covers for DuckStation and PCSX2

    PSCoverDL is a companion tool designed to automate the downloading and management of PlayStation game cover art for emulators, providing a user-friendly interface for populating game libraries with visuals. It allows users to select their emulator, specify directories, and automatically retrieve matching cover images based on game metadata. The tool supports multiple platforms and includes features such as multithreading for faster downloads and configuration files for customization. Its graphical interface simplifies the process, making it accessible even to non-technical users. It integrates directly with emulator cache files, ensuring accurate matching between games and covers. The system is designed for efficiency, reducing the manual effort required to curate large collections. Overall, pscoverdl complements the ps2-covers repository by providing automation and usability.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 20
    PlayCover

    PlayCover

    Community fork of PlayCover

    PlayCover is an open-source macOS application that restores the ability to run iOS apps and games on Apple Silicon Macs (M1/M2/etc.). It simulates an iPad environment to enable native app execution and offers custom input mapping, making it especially useful for gaming and sideloading on macOS.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 21
    QEMU

    QEMU

    iPhone 11 emulated on QEMU

    QEMU is a specialized fork of the QEMU emulator designed to emulate Apple iPhone hardware, particularly devices based on the T8030 chip such as the iPhone 11. It extends QEMU’s general-purpose machine emulation capabilities by introducing support for Apple-specific hardware components and boot processes. The project enables researchers to boot and run versions of iOS, including the ability to restore firmware images and interact with the system through debugging tools. It relies on dynamic binary translation and system-level emulation to simulate the ARM-based architecture used in modern iPhones. Due to the complexity of Apple’s ecosystem, the emulator requires extensive patching of the kernel and firmware to function correctly, making it primarily a research and experimentation tool. It has been used in security research contexts to explore iOS internals, including kernel behavior and system services.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 22
    bsnes

    bsnes

    Super Nintendo (SNES) emulator focused on performance, features

    bsnes is a multi-platform Super Nintendo (Super Famicom) emulator, originally developed by Near, which focuses on performance, features, and ease of use. True Super Game Boy emulation (using the SameBoy core by Lior Halphon) HD mode 7 graphics with optional supersampling (by DerKoun) Low-level emulation of all SNES coprocessors (DSP-n, ST-01n, Cx4) Multi-threaded PPU graphics renderer. Speed mode settings which retain smooth audio output (50%, 75%, 100%, 150%, 200%) Built-in games database with thousands of game entries. Built-in cheat code database for hundreds of popular games (by mightymo). Built-in save state manager with screenshot previews and naming capabilities. Customizable per-byte game mappings to support any cartridges, including prototype games. 7-zip decompression support. Extensive Satellaview emulation, including BS Memory flash write and wear-leveling emulation. Optional higan game folder support (standard game ROM files are also fully supported!).
    Downloads: 8 This Week
    Last Update:
    See Project
  • 23
    py-kms

    py-kms

    KMS Server Emulator written in Python

    py-kms is a Python-based emulator of Microsoft’s Key Management Service (KMS), designed to simulate activation servers for Windows and Microsoft Office volume licensing systems. It is derived from earlier implementations and reverse-engineered protocols, allowing it to respond to activation requests from client machines. The software supports multiple versions of the KMS protocol, enabling compatibility with a wide range of Windows and Office releases. It can be deployed in various environments, including standalone systems, Docker containers, and service managers like systemd, making it flexible for testing and development scenarios. The emulator includes features such as logging, configurable network parameters, and persistent storage using SQLite. While it is often used for testing activation workflows, it also serves as a practical example of protocol emulation and reverse engineering in software systems.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 24
    retro-go

    retro-go

    Retro emulation for the ODROID-GO and other ESP32 devices

    retro-go is a lightweight, embedded-focused emulator frontend and launcher designed specifically for microcontroller-based handheld devices, particularly those built on ESP32 hardware. It integrates multiple classic console emulators into a single unified interface, enabling portable retro gaming on low-power devices with limited memory and processing capabilities. The project emphasizes efficiency and optimization, adapting emulation cores to run within the strict constraints of embedded systems. It includes a simple user interface for browsing ROMs, launching games, and managing system settings directly on the device. retro-go supports several classic platforms such as NES, Game Boy, and other early consoles, depending on available builds and hardware capabilities. Its design makes it ideal for DIY handheld consoles and hobbyist hardware projects, where minimal resource usage is critical.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 25
    QtEmu is a graphical user interface for QEMU and KVM written in Qt4. https://github.com/uwolfer/qtemu
    Leader badge
    Downloads: 125 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB