JitBlox - An online environment for prototyping modern web apps without coding and in real time. JitBlox seamlessly integrates popular UI libraries such as Bootstrap and Material Design and lets you download your app's source code with a single click.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Framer - 🔥 Design real websites right on the canvas.
Invision - Prototyping and collaboration for design teams
Appsmith - Appsmith is an open source web framework for building internal tools, admin panels, dashboards, and workflows.
Sketch - Professional digital design for Mac.