Evernote is a note-taking app that allows students to collect and save text. photos, audio clips, links, and more. The saved notes are searchable, and can be shared via a link.
Notability
Notability is a note-taking app in iOS that helps students take notes in a variety of ways. They can type, write, draw, highlight, record audio, cut, paste, and insert content captured from websites.
Google Keep
Google Keep lets users quickly take and save notes, photos, voice memos, and checklists to Google Drive. Notes can be color-coded and tagged for easy searching.
Simplenote
Simplenote is a note-taking app that allows users to search, tag, share, publish, and back up notes. It can also be accessed through most web browsers.
Diigo
Diigo allows users to Bookmark websites for further investigation. Users can also highlight text and add notes to websites. The collaborative writing platform allows for the sharing of research, as well.
Hypothes.is
Hypothes.is is a Chrome extension, which allows users to add annotations to websites, and have discussions on websites. The annotations are available to the public, but private groups can be created.
Now Comment
Now Comment is a platform that allows groups of people to mark up and discuss texts. Teachers or students upload a document, and then others can write comments. The comments can then be organized into folders.
Scrible
Scrible allows users to bookmark web pages, store files, do a full-text search of their library of articles, annotate and mark up web pages, share annotated articles, and create assignments.