Keep an eye on Vizor.io. Their slogan is: “VR experiences for everyone, in your browser.“
It’s an ambitious goal, but they seem to be making good on it so far.
They have released Vizor Create. This allows you to create virtual reality experiences in your browser.
Here are some of the experiences you can already try that have been created with Vizor.
Here is their new video demonstrating Vizor Create: