Description: Flameshot is an open source screenshot software for Linux. It has annotation and markup tools to add text, shapes, colors etc. to screenshots. It allows uploading images to Imgur and copy to clipboard easily.
Type: software
Pricing: Open Source
Description: Highlights is a PDF annotation and note taking app for Windows, Mac, iOS and Android. It allows users to highlight, underline, strikethrough, add text notes, shapes and freehand drawings to PDF documents. Key features include organization of annotations by color category and easy export of notes.
Type: software