astronomy

A free open source planetarium for your computer.

The Siril image processing software for amateur astronomy.

Real-time 3D visualization of space. The free space simulation that lets you explore our universe in three dimensions.

The most feature-rich free astronomy software

Tool for showcasing astronomical data and knowledge

A telescope guiding software that simplifies the process of tracking a guide star, letting you concentrate on other aspects of deep-sky imaging or spectroscopy.

Sky Simulator for Radio Astronomy

A real-time satellite tracking and orbit prediction application.