This is the latest version of the official Star Trek: Bridge Commander SDK, which allows players to modify the game. It comes with tutorials and sample assets.
Warning: Copying scripts from this SDK into your Bridge Commander installation may make you multiplayer incompatible with other players (because of the way the game checks the validity of py/pyc files), unless they are also using your PYC files. It is recommended you work in a separate installation of Bridge Commander if you are making script changes (unless you don't care about being multiplayer compatible with people who don't have your changes).
Likewise, players interested in using script mods are cautioned that they may interfere with their existing single-player games and/or multiplayer compatibility.