Description: CSS Reference is a free web-based reference for Cascading Style Sheets (CSS) covering the latest web standards. It provides a quick and interactive guide to all common CSS properties and definitions, along with examples.
Type: software
Description: Xournal++ is a free, open-source notetaking and sketching software for Linux. It supports pen input and annotations on PDFs. Key features include sticky notes, rulers, page templates, shape recognition, and LaTeX support.
Type: software
Pricing: Open Source