FreeFlyer is a commercial off-the-shelf software application for satellite mission analysis, design, and operations.

[12] FreeFlyer has also been successfully used to conduct analysis in both the high-performance computing (HPC) and service-oriented architecture (SOA) environments.

[13][14] FreeFlyer is one stand-alone product with two tiers of rising functionality.

FreeFlyer contains an object-oriented scripting language and an accompanying integrated development environment.

Below is a basic FreeFlyer script that creates and displays a spacecraft: