Kerbal Space Program
2,268 Mods
Kerbal Planetary Base Systems
1M DownloadsParts for bases on other planets. Includes Habitats, Greenhouse, support for Life Support mods and much more.
KSP Interstellar Extended
1M DownloadsKSP Interstellar Extended aims to continue in providing a realistic road to the stars.
Near Future Propulsion
986k DownloadsAdvanced ion/plasma thrusters, VASIMR engines and two new fuel types with a stockalike aesthetic
Near Future Solar
780k DownloadsFuturistic solar panels for your spacecraft.
KW Rocketry v2.7
743k DownloadsThe comprehensive launch vehicle construction pack
B9 Aerospace 5.2.8
723k DownloadsEssential and enormous set of structural, control, propulsion, command and utility parts for aerospace designs.
Near Future Electrical
685k DownloadsNuclear reactors, capacitors and large batteries with a stockalike aesthetic
OPT Space Plane Parts V2.0
646k DownloadsLarge, Sleek Spaceplane Parts!
Airplane Plus
605k DownloadsAdds plane parts. Images are on the album.
Kerbal Aircraft Expansion (KAX)
519k DownloadsA pack of select vanilla-inspired parts for your aircrafting needs!
Near Future Construction
489k DownloadsLarge trusses, new docking ports, multi-adapters and radial attach points for spacecraft construction
SpaceY Lifters (SYL) by NecroBones
406k DownloadsParts for large lifting rockets, 5m rocket parts and large SRBs, and matching decouplers for Kerbal Space Program.
Stockalike Station Parts Expansion Redux
362k DownloadsBuild stations with inflables, centrifuges and much much more!
Kerbal Reusability Expansion
280k DownloadsLanding Gear, Grid Fins and more!
Near Future Exploration
266k DownloadsNew probe and communication parts
Fuel Tanks Plus (FTP) by NecroBones/Orvidius
251k DownloadsA variety of additional rocket fuel tanks, mostly larger tanks, with several historically inspired colors and styles.
Mark IV Spaceplane System
242k DownloadsA stockalike spaceplane fuselage capable of lifting 2.5m parts
Feline Utility Rovers
217k DownloadsThis mod adds part for rovers. It includes also a laboratory and means to create articulated rovers
BDArmory Weapons Extension
197k DownloadsNext Star Industries Nuclear and Heavy Weapons
Far Future Technologies
149k DownloadsOptimistic but generally viable future spacecraft technologies.