Description: Calibre is a free and open-source e-book computer software application suite which runs on multiple platforms, allows users to manage e-book collections as well as create, edit, and read e-books. It supports a variety of e-book formats.
Type: software
Pricing: Free
Description: Sketchfab is a website and service that allows users to view, share, and download 3D models. It has a large library of models that creators have uploaded covering a wide range of topics.
Type: software