Iteration X - Iteration X allows teams to annotate and edit any live website or web app directly in Chrome.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Wized - Design your web application in Webflow, build it with Wized
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Flycode - FlyCode (YC S22) makes web apps editable without coding so companies can iterate and release products faster - helping teams edit copy, images, and links in the code so their developers don’t have to.
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project