Browse free open source Astronomy software and projects for Windows below. Use the toggles on the left to filter open source Astronomy software by OS, license, language, programming language, and project status.
Astrophotography image & video processor. Full processing cycle
ASCOM-INDI ESP32 Wifi focuser
Echoes is a radio spectral analysis software for SDR devices
DIY project to build an ASCOM compliant flip/flat panel
Stacking program, astrometric (plate) solver, fits file viewer
A desktop weather app powered by AI
Astronomical Ephemeris
All-in-one Astrophotography Software Works on multi-OperatingSystem
Version 2 of the myFocuser Project
ESP32 mySQM+ Sky-Meter/Weather Station with loads of features
ProStack - a platform for image processing and analysis
Java science library.
Virtual Planetarium and other Astronomical Calculation Routines
Hallo Northern Sky planetarium program
Astronomy CCD capture software
Astrology calculation, charting, and analysis