General Mission Analysis Tool
| General Mission Analysis Tool | |
|---|---|
| Initial release | 2007 | 
| Stable release | R2022a
   /    January 2023 | 
| Repository | |
| Written in | C++ | 
| Operating system | Microsoft Windows, Linux, macOS | 
| Type | Technical computing | 
| License | Apache License 2.0 | 
| Website | GMAT Wiki | 
General Mission Analysis Tool (GMAT) is open-source space mission analysis software developed by NASA and private industry.
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.