Dan's Orbiter page
Find the module plug-in that enables sound in the simulation. Includes a support forum for frequently asked questions and general discussion.
Orbit Hangar Mods
A general repository of contributions submitted by third party add-on developers.
Orbital Mods
An addon repository focused in the Russian space flight program. It also features a database of known bugs in the simulator.
Orbiter - A Free Space Flight Simulator
A realistic 3D flight simulator that uses proper physics for the modelling of planetary motion, gravitational fields, free space, and atmospheric flight.
Orbiter Mars
Includes concise tutorials that explain the procedures and the planning stage of interplanetary missions.
Project Alpha
An ongoing project to simulate the International Space Station Alpha.
Saturn's Moons
Includes the major moons of Jupiter and Saturn, missing in the default Orbiter package.
Space Shuttle Scenarios
Includes custom made scenarios reproducing the STS-112 mission and based upon real life telemetry data sets.