Overview

Stellarium is a free open-source planetarium that renders realistic 3D skies in real time. It is used by educators, astronomers, and enthusiasts worldwide.

Key Features

• Realistic Sky: accurate star and planet positions
• Large Database: 600k stars expandable
• Constellation Art: multiple cultures
• Satellite Tracking: ISS and Starlink
• Telescope Control: ASCOM support

Why Use It

This tool provides essential functionality for its category while respecting user freedom and privacy through open-source licensing.

Use Cases

• Personal and professional productivity
• Integration with existing workflows
• Self-hosted deployment for data control

Platforms

Linux, macOS, Windows (check website for full list)

Licence

Open Source

Website

TODO