Annotable - Ultimate image annotation & markup tool
Weava - Workspace to highlight, organize & collaborate on your research articles.
Roboflow Annotate - Annotate images with ease. Export to any format.
Good Annotations - A online annotation tool that is perfect for providing feedback to your team.
Picsell.ia - Annotate datasets smarter, 10x faster & cheaper.
Genius Annotations - Embed text annotations on your site. Annotate the web.