Kerbal Space Program
2,277 Mods
Utility and Navigation
Miscellaneous
Science
Parts Pack
Propulsion
Structural and Aerodynamic
Gameplay
Resources
Command and Control
Ship Systems
Sub-Assembly
Physics
Twitch Integration
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
1M DownloadsAdvanced ion/plasma thrusters, VASIMR engines and two new fuel types with a stockalike aesthetic
Near Future Solar
809k DownloadsFuturistic solar panels for your spacecraft.
B9 Aerospace 5.2.8
754k DownloadsEssential and enormous set of structural, control, propulsion, command and utility parts for aerospace designs.
KW Rocketry v2.7
743k DownloadsThe comprehensive launch vehicle construction pack
Near Future Electrical
703k DownloadsNuclear reactors, capacitors and large batteries with a stockalike aesthetic
OPT Space Plane Parts V2.0
664k DownloadsLarge, Sleek Spaceplane Parts!
Airplane Plus
605k DownloadsAdds plane parts. Images are on the album.
Kerbal Aircraft Expansion (KAX)
523k DownloadsA pack of select vanilla-inspired parts for your aircrafting needs!
Near Future Construction
502k 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
391k DownloadsBuild stations with inflables, centrifuges and much much more!
Kerbal Reusability Expansion
280k DownloadsLanding Gear, Grid Fins and more!
Near Future Exploration
276k DownloadsNew probe and communication parts
Fuel Tanks Plus (FTP) by NecroBones/Orvidius
253k DownloadsA variety of additional rocket fuel tanks, mostly larger tanks, with several historically inspired colors and styles.
BDArmory Weapons Extension
251k DownloadsNext Star Industries Nuclear and Heavy Weapons
Mark IV Spaceplane System
245k 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
Far Future Technologies
183k DownloadsOptimistic but generally viable future spacecraft technologies.