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Foundation Sunshine

foundation-sunshine

An enhanced Sunshine fork for Windows game streaming, featuring HDR10/HDR Vivid, virtual displays, and advanced audio.

  • Desktop
  • Web
  • Windows
  • Self-hostable
  • Runs locally
Open websiteView on GitHub
foundation-sunshine screenshot
Popularity
6.6k Stars
GitHub stars
Recent activity
8/29/2026
Updated in the last 30 days
License
GPL-3.0
Strong copyleft

Why it matters

We look beyond stars: what problem it solves, whether it creates real utility, and what makes its approach worth noticing.

Last 90 days

Problem

Solves limitations in the original Sunshine on Windows, such as lack of dynamic HDR metadata, complex virtual display setup with high performance overhead, poor multi-channel audio support, and high startup probing latency.

Practical value

Highly practical. It integrates ZakoVDD for zero-copy virtual displays, supports HDR10+ and HDR Vivid dynamic metadata, and reduces connection latency from 26s to under 100ms by caching encoder probe results.

Innovation / differentiation

Compared to the upstream project, it introduces GPU-based frame-by-frame brightness analysis for dynamic HDR metadata generation, Zako Direct zero-copy frame borrowing, and neural-network-based Opus DRED packet loss recovery.

Leverage potential

Leverages the existing Moonlight/Sunshine ecosystem, allowing users to upgrade their experience without changing clients. It integrates open-source components like ZakoVDD and Tauri 2, though maintaining sync with upstream remains a challenge.

Why now

Aligns with the widespread adoption of HDR-capable portable gaming handhelds, mobile devices, and TVs, meeting the demand for high-quality, low-latency self-hosted game streaming.

Community activity

In the last 90 days there were 91 new issues and 218 pull requests; the bounded issue/PR samples include 65 issue authors and 10 PR contributors, with at least 9 releases.

Maintainer responsiveness

The 91-issue window sample had a 68% close rate, and the 100-pull-request sample had a 85% merge rate. Maintainer-comment observations covered only 29% of that issue sample, so response rate and first-response speed are not reported.

10 contributors in PR sampleAt least 9 releasesPR merge rate 85% · 100 sampled in window

Key highlights

  • Full-Link HDR: Supports both HDR10 (PQ) and HLG encoding, featuring frame-by-frame GPU brightness analysis and HDR10+/HDR Vivid dynamic metadata injection.
  • Virtual Display Integration: Deeply integrates ZakoVDD driver, supporting 5 screen modes and Zako Direct zero-copy frame borrowing.
  • Advanced Audio: Supports 7.1.4 surround sound (12 channels), Opus DRED packet loss recovery, and automatic bit-depth matching for virtual speakers.

Quick start

How it is installed, how hard it is, and where to start.

Where it runs

To be confirmed

Difficulty

To be confirmed

Self-hostableRuns locally
  1. 01Ensure your system runs Windows 10 22H2 or higher with up-to-date GPU drivers.
  2. 02Download and install the latest release package of foundation-sunshine.
  3. 03Install the recommended ZakoVDD virtual display driver to enable virtual screen features.
  4. 04Launch the application and access the WebUI control panel via your browser for initial setup.
  5. 05Pair your Moonlight client using the QR code or pairing PIN provided in the Tauri 2 control panel.
  6. 06Configure game paths, audio output channels, and HDR settings in the control panel, then start streaming.

Best for

  • Teams that want data on their own servers
  • Developers who want to try it on their machine

More about it

foundation-sunshine is a self-hosted streaming host designed for Windows gamers. As an enhanced fork of LizardByte/Sunshine, it focuses on overcoming the limitations of the upstream version regarding high-end audio and video experiences. By introducing full-link HDR encoding (supporting both HDR10 and HDR Vivid), deeply integrating virtual display drivers, and optimizing hardware encoders for NVIDIA and AMD GPUs, it delivers a smoother and more color-accurate remote gaming experience for Moonlight clients.

Sources

Each field shows its status and source — expand to review.

14 · Expand

  • capability tags

    Verified

    Source: admin_cms · cms editor · 8/29/2026

  • editor note

    Verified

    {"en":"This is a specialized Sunshine fork optimized for Windows. It addresses common pain points in the upstream version, such as virtual display coordination, HDR dynamic metadata injection, and multi-channel surround sound. The integration of the ZakoVDD driver with zero-copy frame borrowing reduces performance overhead, making it an excellent upgrade for Moonlight users seeking low latency and high fidelity.","zh":"这是一个专门针对 Windows 平台优化的 Sunshine 衍生版本。它解决了原生版本在虚拟显示器协同、HDR 动态元数据注入以及多声道环绕声支持上的痛点。特别是集成了 ZakoVDD 驱动，实现了零拷贝借帧，降低了虚拟屏幕串流时的性能损耗，非常适合对画质和延迟有较高要求的 Moonlight 串流玩家。"}

    Source: admin_cms · cms editor · 8/29/2026

  • how to use

    Verified

    {"steps":[{"en":"Ensure your system runs Windows 10 22H2 or higher with up-to-date GPU drivers.","zh":"确保系统为 Windows 10 22H2 或更高版本，并安装好最新的显卡驱动。"},{"en":"Download and install the latest release package of foundation-sunshine.","zh":"从 Release 页面下载并安装 foundation-sunshine 发布的最新安装包。"},{"en":"Install the recommended ZakoVDD virtual display driver to enable virtual screen features.","zh":"安装推荐的 ZakoVDD 虚拟显示器驱动以启用虚拟屏幕功能。"},{"en":"Launch the application and access the WebUI control panel via your browser for initial setup.","zh":"启动程序，通过浏览器访问 WebUI 控制面板进行初始化配置。"},{"en":"Pair your Moonlight client using the QR code or pairing PIN provided in the Tauri 2 control panel.","zh":"使用 Tauri 2 控制面板中的 QR 码或配对码与 Moonlight 客户端进行配对。"},{"en":"Configure game paths, audio output channels, and HDR settings in the control panel, then start streaming.","zh":"在控制面板中配置游戏路径、音频输出通道及 HDR 选项，即可开始串流。"}],"installAt":"unknown","difficulty":"unknown"}

    Source: admin_cms · cms editor · 8/29/2026

  • intro

    Verified

    {"en":"foundation-sunshine is a self-hosted streaming host designed for Windows gamers. As an enhanced fork of LizardByte/Sunshine, it focuses on overcoming the limitations of the upstream version regarding high-end audio and video experiences. By introducing full-link HDR encoding (supporting both HDR10 and HDR Vivid), deeply integrating virtual display drivers, and optimizing hardware encoders for NVIDIA and AMD GPUs, it delivers a smoother and more color-accurate remote gaming experience for Moonlight clients.","zh":"foundation-sunshine 是一个专为 Windows 游戏玩家打造的自托管串流服务端。作为知名开源项目 LizardByte/Sunshine 的增强分支，它专注于解决原生 Sunshine 在高阶音画体验上的不足。通过引入全链路 HDR 编码技术（兼容 HDR10 与国标 HDR Vivid）、深度整合虚拟显示器驱动，以及对 NVIDIA 和 AMD 显卡编码器的底层调优，该项目为 Moonlight 客户端用户提供了更加流畅、色彩更真实的远程游戏体验。"}

    Source: admin_cms · cms editor · 8/29/2026

  • Latest release

    Verified

    v2026.823.92127.杂鱼

    Source: GitHub API · latest_release=v2026.823.92127.杂鱼 · 8/29/2026

  • License

    Verified

    GPL-3.0

    Source: GitHub API · license.spdx_id=GPL-3.0 · 8/29/2026

  • needs api key

    Verified

    No

    Source: admin_cms · cms editor · 8/29/2026

  • One-liner

    Verified

    {"en":"An enhanced Sunshine fork for Windows game streaming, featuring HDR10/HDR Vivid, virtual displays, and advanced audio.","zh":"基于 Sunshine 的 Windows 游戏串流服务端增强分支，支持 HDR10/HDR Vivid、虚拟显示器与音频优化。"}

    Source: admin_cms · cms editor · 8/29/2026

  • Platforms

    Verified

    windows

    Source: admin_cms · cms editor · 8/29/2026

  • Category hint

    Inferred from materials

    mobile

    Source: Project README · hint=mobile · 8/24/2026

  • product forms

    Verified

    desktop, web

    Source: admin_cms · cms editor · 8/29/2026

  • role tags

    Verified

    Source: admin_cms · cms editor · 8/29/2026

  • supports local

    Verified

    Yes

    Source: admin_cms · cms editor · 8/29/2026

  • supports self host

    Verified

    Yes

    Source: admin_cms · cms editor · 8/29/2026

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