If you're looking for a Brilliant Labs alternative, Animant could be a good place to start. It's an AI-infused AR platform that lets people create interactive 3D scenes by scanning objects and rooms. Animant is geared for a range of use cases, including education, interior design and product design. It has a free plan with limited features and a Pro plan at $5.99/month, so it should be useful for people with different needs.
Another option is Hololink, which is geared for custom AR experiences that agencies and brands can use. It has an AR editor with a drag-and-drop interface, and you can use it to create interactive marketing experiences like mobile marketing games and product demos. Hololink has several pricing tiers, including a free plan and several paid ones, so it should be adaptable to different business needs.
For developers, Snap for Developers offers a collection of tools to build AR experiences that span multiple platforms, including Snapchat. That includes Lens Studio for building AR lenses, Creative Kit for sharing AR experiences and Snap AR for building AR experiences for games, education and other subjects. It's geared for developers in many fields who want to build AR into their products.
Last, Blippar offers a collection of tools and services to build AR experiences without programming. Its interface is designed to be easy to use, and its web-based development tool, Blippbuilder Studio, is useful for both beginners and experts. Blippar also offers a WebAR SDK for more sophisticated AR programming, so it's a good choice for AR content creators.