If you're looking for a PinMy alternative, Commented is another good option. It's got rich annotation, assignment of tasks, public commenting and AI suggestions. The tool is geared for teams, letting people communicate and collaborate directly on live projects. Pricing starts at $19.90 per month for a single user and scales to custom pricing for larger teams, so it's good for product managers, developers and designers.
Another option is Velt, a JavaScript SDK that lets developers integrate commenting, co-editing and real-time feedback into their own products. It supports both async and real-time collaboration, as well as features like video walkthroughs, file uploads and drawing arrows. That makes it good for tools like video editors, form builders and task managers. Pricing is tiered, but enterprise customers can negotiate custom plans.
If you want to tap into AI, you might like Describe Picture. The service offers a variety of image processing tools, including Chat with Image, Image Content Extraction and Intelligent Image Recognition. It uses large language models to generate accurate image descriptions, and it can be useful for content creators, developers and people with vision impairments. Its interface is easy to use, so you don't have to learn a lot to extract information from images.