Weava - Workspace to highlight, organize & collaborate on your research articles.
Annotable - Ultimate image annotation & markup tool
Good Annotations - A online annotation tool that is perfect for providing feedback to your team.
Hover Me - Hover me lets you quickly annotate any image and easily integrate an interactive version within your own website.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Picsell.ia - Annotate datasets smarter, 10x faster & cheaper.