Find the module plug-in that enables sound in the simulation. Includes a support forum for frequently asked questions and general discussion.

A general repository of contributions submitted by third party add-on developers.

An addon repository focused in the Russian space flight program. It also features a database of known bugs in the simulator.

A realistic 3D flight simulator that uses proper physics for the modelling of planetary motion, gravitational fields, free space, and atmospheric flight.

Offers links and files.

Includes concise tutorials that explain the procedures and the planning stage of interplanetary missions.

An ongoing project to simulate the International Space Station Alpha.

Includes the major moons of Jupiter and Saturn, missing in the default Orbiter package.

Includes custom made scenarios reproducing the STS-112 mission and based upon real life telemetry data sets.