Framer - 🔥 Design real websites right on the canvas.

Roboflow Annotate - Annotate images with ease. Export to any format.

MontageJS - MontageJS framework is a platform to develop and create single page applications (which load single HTML page and dynamically update the app as the user puts in inputs or requests or interacts with the page.) with ease.

Annotable - Ultimate image annotation & markup tool

Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

Annotate Screen - Browser based annotation tool.