Below are some options for taking digital notes. The tools listed below were selected due to their popularity, low cost, and interoperability.
On the How-to Videos page you will find some introductory videos to some of the tools listed here (specifically curated because it can be easy to go down an infinite rabbit hole investigating one person's unique set-up).
Keep in mind that no one (digital) tool will fit all your needs perfectly, and with anything digital there is always the possibility of unsupported software, mergers, and any number technical issues. New digital tools are constantly emerging, and it can be difficult to figure out which will work for the long term until you try it.
When picking a tool/system/method, ask yourself: What do I need to do? What do I need to remember? How long do I need it?
There are also pen and paper notes, of course, which some say promotes learning (Mueller & Oppenheimer, 2014; Carter, Greenberg, & Walker, 2017), while other say there is no difference between paper-based and digital note-takers (Artz, Johnson, Robson, & Taengnoi, 2017).
Digital Notes and Organization
Digital, Handwritten Notes
Annotate the Web
Annotate and Organize Images
Brainstorm
Citation Management with Notes and Annotation
Scanning and OCR
Audio and Transcription
My Notes (PC)
Notes (iOS)