Kerbal Space Program
2,268 Mods
Near Future Construction
489k DownloadsLarge trusses, new docking ports, multi-adapters and radial attach points for spacecraft construction
Magic Smoke Industries Infernal Robotics
489k DownloadsMake things move!
Near Future Launch Vehicles
451k DownloadsExtra-large launch vehicle parts
BDArmoryContinued
409k DownloadsThe Original Weapons Mod by BahamutoD, continued!
SpaceY Lifters (SYL) by NecroBones
406k DownloadsParts for large lifting rockets, 5m rocket parts and large SRBs, and matching decouplers for Kerbal Space Program.
SCANsat
406k DownloadsSCANsat: Real Scanning, Real Science, Warp Speed!
Stockalike Station Parts Expansion Redux
362k DownloadsBuild stations with inflables, centrifuges and much much more!
Chatterer
362k DownloadsA plugin for Kerbal Space Program which adds some SSTV, beeps, and nonsensical radio chatter between your crewed command pods and Mission Control. There is also some environmental sounds as : wind in atmosphere, breathing on EVA and background noises insid
TextureReplacer
352k DownloadsCustom Kerbal faces and suits, no helmets on Kerbin, visor reflections, custom skybox and various other texture tweaks and improvements.
TAC Life Support
347k DownloadsA life support system from Thunder Aerospace Corporation (TAC).
RCS Build Aid
343k DownloadsAid tool for balancing RCS thrusters and engines around the centre of mass while building a rocket.
DMagic Orbital Science
333k DownloadsNew science parts and experiments
Interstellar Fuel Switch
328k DownloadsInterstellar Fuel Switch is mend for mod makers which want to add resource/mesh/texture switching to their tanks
Station Science
326k DownloadsNew science experiments and lab modules; give your space stations purpose!
KSP Recall
317k DownloadsKSP Recall - a bag of tricks and stunts to overcome KSP blunders and borks.
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
Near Future Aeronautics
234k DownloadsAdvanced aircraft engines and accessories