If you're looking for something other than OVER, 8th Wall is another good candidate. It's a collaborative environment for building and publishing web-based augmented reality (WebXR) and 3D experiences without a separate app. It's good for gaming, e-commerce, entertainment and other uses, so it's adaptable to many businesses.
Another contender is Avataar, which is geared for immersive 3D storytelling. It offers tools to create 3D models from video and 2D images, and it's good for e-commerce, real estate, marketing and education. It's good for visual discovery and user engagement, and you don't need to be a programmer to use it.
If you want to build AR apps, Wikitude Augmented Reality is a mature SDK for iOS, Android and Smart Glasses apps. It's got image tracking, object tracking and Geo AR abilities, and it's good for retail, education and entertainment.
Last, Matterport is a full-stack tool for capturing, collaborating and analyzing 3D digital twins of real-world sites. It's got AI-based analytics and integration with industry tools like Procore and Autodesk, so it's popular for real estate, facilities management and design.