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
Better Science Labs Continued
3.2k DownloadsMore science labs
EM Drive
3.2k DownloadsThe EM drive of dubious fame.
Advanced SAS For All
3.2k DownloadsEnables all advanced SAS functionality on all command pods and probe bodies in career mode.
FuelCellTweaks
3.2k DownloadsEnables the hidden output cap on fuel cells. Let your solars do some of the work.
KEAM - Kerbal Expandable Activity Module
3.2k DownloadsThis is a re-creation of the Bigelow Expandable Activity Module for Kerbal Space Program - KEAM, By Kerbalow Aerospace
The Aviation Expansion V1
3.2k Downloads(Formerly known as 'The Fuel Tank Expansion V3') This mod brings 3 new batteries, 3 carbon fibre tanks, 3 oxygen tanks and one big powerful ion engine. I will be adding more aviation related parts over time.
D. Pooly Engines Inc.
3.1k DownloadsBasic enhancements to KSP engines.
WernherChecker v0.4
3.1k DownloadsEditor pre-flight checklist
IonRCS
3.1k DownloadsXenon powered RCS - that's it
RCS-105-180
3.1k DownloadsAn "angled" RCS-block stockalike part.
DaMichel's Spherical Tanks (DST)
3.1k DownloadsParts mod with five SphericalTanks with 1.25 m base from 0.625 to 10 t. (612.5L - 10,000L)
Custom SRBs
3.1k DownloadsAllows you to build custom SRBs!
THST Tri Hexagonal Structural Truss
3.1k DownloadsA series of structural trusses for all your ship and station building needs.
Persistent Trails
3.1k DownloadsDocument your epic journeys! Fly in formation! Race your friends! Paint the skies!
Kerbiting Planets
3.1k DownloadsPlanet pack which adds a lot!
MIR (Мир) by BobCat
3.1k DownloadsМир (MIR) Space Station for Kerbal Space Program.
On Demand Fuel Cells (ODFC) by Orum
3.1k DownloadsOn Demand Fuel Cells (ODFC) is a plugin to simulate fuel cells in Kerbal Space Program (KSP), and do a better job of it than stock's use of a resource converter.
AeroRadial (DAR) by DaMichel
3.1k DownloadsAn electrical parts mod adding two streamlined radially attached parts: one RTG and one Fuel Cell.
Tiktaalik's Orion Bits
3.1k DownloadsPart pack of bits suitable for adding on to Nyrath's Orion
Radar Altitude
3k DownloadsThis mod automatically switches the altitude readout from ASL to AGL below 3000m.