GuriVR is described as 'Describe an experience and let GuriVR create a VR experience from it. GuriVR is a free, open source project that allows anyone to make Virtual Reality experiences with the lowest possible learning curve by simply describing them with words'. There are five alternatives to GuriVR for a variety of platforms, including Mac, Windows, Online / Web-based, Android and iPhone. The best alternative is WakingApp AR Studio. It's not free, so if you're looking for a free alternative, you could try Viond or Tilt Brush Toolkit. Other great apps like GuriVR are Byond Immersive Suite (Paid) and InstaVR™ (Paid).
Viond.io is the new software to create and publish your own professional interactive 360° experiences, without any code. Download the Viond builder, import your media files, add interactive elements and publish directly to the Viond app!.
Title Brush Toolkit from Google lets you use Tilt Brush data in your creative projects. It's composed of a set of assets, including scripts for importing and manipulating Tilt Brush sketches in Unity .