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
Near Future Construction
502k DownloadsLarge trusses, new docking ports, multi-adapters and radial attach points for spacecraft construction
Magic Smoke Industries Infernal Robotics
493k DownloadsMake things move!
Near Future Launch Vehicles
460k DownloadsExtra-large launch vehicle parts
BDArmoryContinued
447k 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
391k 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).
KSP Recall
345k DownloadsKSP Recall - a bag of tricks and stunts to overcome KSP blunders and borks.
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!
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