Spade Chrome Extension
Freely annotate, markup and understand the web
竞品与替代品
Spade Chrome Extension V3
Draw out notes and thoughts on the web, save them for later
Good Annotations, Screenshot Capture
Capture, annotate and share screenshots from your browser
Cage for Google Chrome
Screenshot entire pages and seamlessly annotate with Cage.
Stay Sharp
The Chrome Extension for math nerds!
Ubersuggest Chrome Extension
Get actionable SEO insights in the SERPs