Inkscape is a free and open-source vector graphics editor that is used to create or edit scalable vector graphics (SVG). It offers a range of drawing tools including bezier and spiro curves, calligraphy, and shape tools. Inkscape also supports text editing, layers, and various file formats making it a versatile tool for graphic designers, illustrators, and artists. Additionally, it has a customizable interface and a strong community of users who contribute to its development.