Compare software

trackerLook4Sat
Free

Free and open source under the Apache-2.0 license.

 Free

Free and open source under the GPL-3.0.

Windows, macOS, Linux, Command line Android
  • Shows satellite positions and trajectories in real time
  • Includes a sky view and continuous world map
  • Over 9000 active satellites from Celestrak and SatNOGS
  • Search by NORAD catalog number or name
  • Uses a terminal interface
  • Automatic orbital data updates use CelesTrak
  • Android only
  • Predictions depend on accurate location data
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: GPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.