If you need a collaborative design tool with real-time editing and commenting, Figma is a top contender. It's a single tool that encompasses design, prototyping, development and feedback, so it's good for UI/UX design, wireframing and strategic planning. Figma's features include instant batch editing, AI-powered prototyping and embeddable prototypes. It offers a range of pricing options for teams of different sizes and needs, from free to enterprise.
Another powerful option is Mockitt, which offers design, prototyping and collaboration tools. It has real-time commenting and editing, along with AI tools like AI prototype generation and magic fill. Mockitt is geared for a broad range of users, including UX designers, product managers and developers, and offers a free version with paid options for more advanced features.
If you need something more flexible, check out Canva, a free online graphic design tool that also can be used for real-time collaboration with commenting and task delegation. Canva has a lot of templates and features for different design needs, and its pricing options include Canva Teams for team collaboration and Canva Enterprise for bigger businesses. It also offers a desktop app and several integrations to help you get more done.
Last is Visily, a UI design tool that makes it easy to create high-fidelity wireframes and prototypes. It offers real-time collaboration with unlimited viewers and commenters, and built-in AI tools like Text to Diagram and Screenshot to Design. Visily is free to use for now, so it's a good option for teams that want to try to streamline their design process and improve communication.