Hypothes.is
Open SourceHypothes.is is a free, open-source web-based annotation tool that allows users to annotate and highlight text on any website. It facilitates collaborative discussion and sharing of ideas alongside the content being read.
Discover Mac OS X Softwares to Group Annotation.
Supports creating or joining private groups for collaborative annotation and discussion on shared content.
Hypothes.is is a free, open-source web-based annotation tool that allows users to annotate and highlight text on any website. It facilitates collaborative discussion and sharing of ideas alongside the content being read.