Kerbal Space Program
2,277 Mods
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Zero-Point Inline Fairings
15.7k DownloadsA stock-alike pack of inline fairings that allow for optional additional stacking above.
Flexo's SpaceX Interplanetary Transport System
15.5k DownloadsA mod for Kerbal Space Program
IXS Command Module 1.0
15.2k DownloadsThe Standalone NASA IXS Enterprise Command Module/Cockpit. Requiring no mods.
Oblivion Aerospace (AOP)
15.1k DownloadsA small parts package of heat shields for Kerbal Space Program (KSP) that also works with Deadly Reentry and DRELite.
Duna Direct
15k DownloadsExtraplanetary Lander / Parts Pack
Pteron (PMSRV)
14.2k DownloadsMicro Shuttle and Rescue Vehicle for three (3) kerbals for Kerbal Space Program. This is not a SSTO.
Size 4 rocket parts - Perfect for Apollo Saturn !
13.7k DownloadsThe huge parts of Kerbodyne in the upper diameter! Useful to build replicas of Saturn V and Saturn Skylab!
BoxSat
13.7k DownloadsIt's a satellite, in a box!
Antennas (ANTS)
13.7k DownloadsAdditional Antennas for Remote Tech, Antenna Range and Telemachus(v 1.2)
Kerbalised Soyuz Mod
13.5k DownloadsKerbalised Soyuz Mod
Impossible Innovations /L
12.6k DownloadsThis mod adds some late-game engines and tanks to the game.
Goodspeed Aerospace (GOOD)
12.3k DownloadsThis parts pack add-on is an assortment of vaguely stock-alike parts, many tweakable, most requiring no additional texture memory (they mostly have unique models, but reuse stock part textures to save memory and achieve a stock-alike look)
James Webb For Kerbal
12.1k DownloadsJames Webb Space Telescope For Kerbal
Structure Pack
11.9k DownloadsAssortment of Structual parts for your Station building needs.
Speedy's Hex Truss System
11.8k DownloadsInspired by Semni's Original mod. This is a Tri Hexagonal Truss System.
ICBM Parts
11.6k Downloads2.5 and .625m ICBM parts.
Kerbal Engines (Combustion Car Engines)
11.4k DownloadsCompletely new way to make wheels go!
CargoBays (DCB) by DaMichel
11k Downloads1.25m, 1.875m. 2.5m, 3.75m and 5m diameters, relatively stock-like. Comes in three heights for efficiency. Fits well to KWRocketry and B9 parts. The doors are designed to require less room for opening than a standard design made of a single door
Kerbal Historical Institute presents Original KSP Parts
11k DownloadsOriginal KSP Parts
Kerbin Cup
10.9k DownloadsThe very first Official Squad Mod!