15 Free VR/AR Development Tools & Frameworks

Cross-platform VR/AR framework for Unity supporting Oculus, SteamVR, OpenXR, and ARCore/ARKit.
Free tier: open-source, MIT license, commercial use

Built-in VR/AR support with OpenXR, Oculus, and SteamVR integration.
Free tier: royalty-free for first $1M revenue, open-source

Open-source VR/AR plugin for Godot 4 with OpenXR and OpenVR support.
Free tier: MIT license, completely free

Browser-based VR/AR for web experiences without native apps.
Free tier: web standard, no licensing fees

WebVR framework built on Three.js for creating VR experiences in HTML.
Free tier: open-source, MIT license

3D engine with WebXR support for browser-based VR/AR experiences.
Free tier: Apache 2.0 license, commercial use

Open standard for VR/AR supported by major platforms and engines.
Free tier: open standard, royalty-free

Android AR platform for building augmented reality apps on Android devices.
Free tier: free SDK, no licensing fees

iOS AR platform for creating augmented reality experiences on iPhone and iPad.
Free tier: free with Xcode, Apple Developer account

Open-source VR API for SteamVR-compatible headsets and devices.
Free tier: open-source, BSD license

Meta Quest development tools for building VR experiences for Quest headsets.
Free tier: free SDK, developer tools

AR development platform with image recognition and tracking capabilities.
Free tier: development license, watermarked

Open-source AR tracking library for marker-based and markerless AR.
Free tier: LGPL license, commercial use

JavaScript 3D library with WebXR support for browser-based VR/AR.
Free tier: MIT license, open-source

VR scene creation and preview tools for Blender 3D modeling software.
Free tier: open-source, GPL license