Text Annotators
Scrible
Scrible is a free bookmarklet which enables users to highlight, color, or otherwise manipulate text on webpages (make bold, underline, italicize or strikethrough) in order to call out or comment on key passages. Users can save the pages they've marked up into their Scrible library as well as create specific permalinks to those pages. Scrible is ideal for readers who wish to conduct and/or share research while viewing Scalar articles, books or projects.To use Scrible, simply head over to www.scrible.com and sign up for an account.