Pure CSS Text Highlights with Arrows – neat-annotations
Mark product copy, documentation, or UI text with handwritten CSS labels, eight arrow directions, and optional animated rainbow accents.
JavaScript & CSS Text Annotation
Interactive Text Annotation and Highlighting with Recogito Text Annotator
Turn static page content into an annotation workspace. Recogito Text Annotator handles selection, highlights, undo, and custom data models.
Underline/Highlight/Strike Text With The textAnnotator Library
A simple-to-use JavaScript plugin that allows you to create and manage text annotations with just a few lines of code.
Text Annotation And Highlighting Library – Annotate.js
A mobile-friendly text annotation JavaScript library that allows you to highlight text and attach notes (comments) to it.
Simple Text Annotation JavaScript Library – Annotations.js
A zero-dependency JavaScript library for annotating text within your document using the normal button element.
Animated Handdrawn Text Annotation Library – Rough Notation
Rough Notation is a fancy JavaScript library for annotating your text with animated, sketchy/hand-drawn styled graphics using Rough.js.