Avogadro

Powerful open-source 3D molecular editor for visualizing, modeling, and analyzing complex chemical structures

Versatile 3D modeling tool for photorealistic designs, Earth integration, and collaborative model sharing

Create limitless 3D LEGO models on-screen, organize bricks easily, and share or order real sets

Create stunning 3D models with ease using advanced design and precision tools

Free, open source CAD for precise 2D drafting, customizable for technical plans and detailed layouts

Free, beginner-friendly drawing tool offering MS Paint-style doodling with extra colors and simple layering

Professional tool for creating and displaying dynamic live presentations, lyrics and media in real time