OpenNOW

Open source GeForce NOW client built from the ground up in Native Rust

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Warning
OpenNOW is under active development. Expect bugs and performance issues.
Check the Known Issues section and full documentation for details.

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About

OpenNOW is a custom GeForce NOW client rewritten entirely in Native Rust for maximum performance and lower resource usage. Built with wgpu and egui for a seamless cloud gaming experience.

Why OpenNOW? Native Performance (Rust + wgpu) No artificial FPS/resolution/bitrate limits No telemetry by default Cross-platform (Windows, macOS, Linux)

Key Features Zero-copy hardware decoding Raw input capture (low latency) Gamepad & racing wheel support Alliance Partner support

📖 Full Documentation: opennow.zortos.me

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Quick Start

Download

Platform	Download	Notes
Windows x64	OpenNOW-windows-x64.zip	Portable, GStreamer bundled
Windows ARM64	OpenNOW-windows-arm64.zip	Surface Pro X, etc.
macOS (Apple Silicon)	OpenNOW-macos-arm64.zip	M1/M2/M3 native
Linux x64	OpenNOW-linux-x64.AppImage	AppImage, GStreamer bundled
Linux ARM64	OpenNOW-linux-arm64.zip	Requires system GStreamer

Run

1. Download the release for your platform
2. Extract and run the executable
3. Login with your NVIDIA GeForce NOW account
4. Play!

macOS: If blocked, run: xattr -d com.apple.quarantine OpenNOW.app

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Platform Support

Platform	Status	Hardware Decoding
Windows x64	✅ Working	D3D11VA (NVIDIA, AMD, Intel)
Windows ARM64	❓ Untested	Should work
macOS ARM64	✅ Working	VideoToolbox
macOS Intel	✅ Working	VideoToolbox (Rosetta 2)
Linux x64	⚠️ Buggy	Vulkan Video
Linux ARM64	⚠️ Buggy	GStreamer
Raspberry Pi	❌ Broken	Under investigation

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Features

Feature	Status	Feature	Status
Authentication	✅	Gamepad Support	✅
Game Library	✅	Audio Playback	✅
WebRTC Streaming	✅	Stats Overlay	✅
Hardware Decoding	✅	Anti-AFK	✅
Zero-Copy Rendering	✅	Alliance Partners	✅
Mouse/Keyboard	✅	Clipboard Paste	✅
AV1 Codec	✅	H.264/H.265	✅

Coming Soon: Microphone, Instant Replay, Screenshots, Plugin System, Theming

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Keyboard Shortcuts

Key	Action
F3	Toggle stats overlay
F8	Toggle mouse capture
F11	Toggle fullscreen
Ctrl+Shift+Q	Quit session
Ctrl+Shift+F10	Toggle anti-AFK

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Known Issues

Issue	Workaround
High CPU usage	Lower FPS/resolution in settings
Green screen flashes	Switch to H.264 codec
Audio stuttering	Restart stream
Laggy input	Enable low_latency_mode
Linux instability	Use Windows/macOS for now

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Building from Source

git clone https://github.com/zortos293/OpenNOW.git
cd OpenNOW/opennow-streamer
cargo build --release

See the full build guide for platform-specific requirements.

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Documentation

Full documentation available at opennow.zortos.me

• Getting Started
• Architecture Overview
• Configuration Reference
• WebRTC Protocol

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Support the Project

OpenNOW is a passion project developed in my free time. If you enjoy using it, please consider sponsoring!

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Disclaimer

This is an independent project not affiliated with NVIDIA Corporation. Created for educational purposes. GeForce NOW is a trademark of NVIDIA. Use at your own risk.

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Documentation · Discord · Sponsor

Made with ❤️ by zortos293