Kerbal Space Program
2,283 Mods
Utility and Navigation
Miscellaneous
Science
Parts Pack
Propulsion
Structural and Aerodynamic
Gameplay
Resources
Command and Control
Ship Systems
Sub-Assembly
Physics
Twitch Integration
SpaceX Interplanetary Transportation System by Thrimm Aerospace
36.1k DownloadsSpaceX ITS as presented by Elon Musk on September 2016
ShowFPS
36k DownloadsSimple plugin for show your current framerate.
Deep Space Surface Habitat Unit Pack
35.9k DownloadsOuter-space deployable habitat parts pack
Kerbonov Parts Pack
34.9k DownloadsSeveral parts, including some cockpits with IVA views.
SimpleConstruction! (SCON) by matterbeam
34.8k DownloadsThis mod aims to provide simple craft building capability in flight mode to stock parts.
Photon Sailor
34k Downloadspropellantless propulsion by photons from either the sun or from beamed power sources
SC Panzer Parts
33.6k DownloadsA BDA-using pack for building tanks and other fun stuff.
Space Shuttle Engines (SSE) by dtobi
33.5k DownloadsSpace Shuttle Engine parts pack by Klockheed Martian Engine Manufacturer - for Kerbal Space Program.
Working Multiple Star Systems
32.8k DownloadsAggregate mod that creates two other solar systems in the KSP universe
Radial Engine Mounts by PanaTee Parts International (PPI)
32.4k DownloadsA set of radially attached mounting points for increased flexibility with stack-only parts. Including decoupling and fuel crossfeed functionality.
Traduction Francophone - French Translation
32.1k DownloadsTranslates the Game into French — Traduit le jeu en français
AoA Technologies
32k DownloadsAdds new cockpit and drone core for the MK2 System
Mission Controller 2
32k DownloadsWith KSP .24 contracts out. The need for more contracts and a better economy was needed. So I rewrote the whole code and started making MCE for KSP .24. This is the results.
Kerbal Crew Transfer
31.7k DownloadsA simple way to transfer kerbals between modules on the same vessel.
NavHud
31.3k DownloadsA Heads Up Display with the elements form the NavBall
Modular Rocket Systems LITE
31.1k DownloadsReduced version of MRS, containing only the more unique/interesting half of the parts.
ProbesPlus!
31.1k DownloadsStockalike-ish probe and science parts pack
Space Dust
31k DownloadsAdds atmospheric and exospheric resources plus parts to harvest them
AutoAsparagus
30.8k DownloadsAutoAsparagus
Impossible Innovations
30.7k DownloadsThis is an addon I’ve made for KSP that adds some unrealistic parts, useful for proof-of-concept stuff. There are some realistic, and handy parts too. I’m open to suggestions, and I’ll be happy to hear any advice you might have, as this is my first addon.