General Mission Analysis Tool (GMAT) is outer space mission analysis software developed by NASA and private industry. It is free and open-source software with an Apache License 2.0. It has been used for several missions, including LCROSS, the Lunar Reconnaissance Orbiter, OSIRIS-REx, the Magnetospheric Multiscale Mission, and the Transiting Exoplanet Survey Satellite (TESS) mission. GMAT is an open-source alternative to software like Systems Tool Kit and FreeFlyer.
See also List of aerospace engineering software
References
External links Official website, Wiki General Mission Analysis Tool on SourceForge, download General Mission Analysis Tool's channel on YouTube