There are many prototyping tools available in the market, each with its own features, advantages, and disadvantages. Popular examples include Balsamiq, a low-fidelity tool for creating wireframes and mockups with a sketch-like style; Figma, a high-fidelity tool for creating designs and interactions with a realistic appearance; Adobe XD, a high-fidelity tool for creating designs and interactions with a professional look and feel; InVision, a high-fidelity tool for creating designs and interactions with a smooth and responsive behavior; and CodePen, a complex tool for creating designs and interactions with code. Each of these tools offer various features such as easy use, large libraries of icons and templates, powerful vector editors and animation engines, cloud-based capabilities, wide range of integrations and features, live preview and debugging mode, support for multiple languages and frameworks, collaboration and feedback, user testing, voice and touch interactions.