Popular Mods

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1.3.0.0-release for KSP 1.12.3

Solar Science (SOL) by Snoopy20111

A small addon adding two scientific instruments for experiments around Kerbol, the sun. Both are based on instruments currently aboard the SOHO and STEREO spacecraft, respectively.

Solar Science (SOL) by Snoopy20111

v1.3.0 for KSP 1.12.3

Pood's Calm Nebula Skybox

Skybox that presents the Kerbol system within a sparse Nebula. Features a subtle Galaxy star-line and patches of Pink/Blue Nebula proto-Star fields. To the polar South a very energetic solar nursery can be seen.

Pood's Calm Nebula Skybox

1.1.3 for KSP 1.12.4

ModuleDepthMask

Portable Holes for your Parts!

ModuleDepthMask

0.8.99.5-prerelease for KSP 1.12.4

Keridian Dynamics (KDVA) by Eleusis La Arwal

Parts pack for resource-conversion and vessel-assembly for Kerbal Space Program.

Keridian Dynamics (KDVA) by Eleusis La Arwal

0.3.99.0-adoption for KSP 1.12.5

Sea Dragon (SEA) by NecroBones

The infamous, never-built Sea Dragon rocket, in its full scale glory!

Sea Dragon (SEA) by NecroBones

4.0.2.7 for KSP 1.9.1

SimpleConstruction! (SCON) by matterbeam

This mod aims to provide simple craft building capability in flight mode to stock parts.

SimpleConstruction! (SCON) by matterbeam

1.40.20250710 for KSP 1.12.5

SIMPLEX TechTree

AngleCan SIMPLEX TechTree is a rework of the Stock Tech Tree.

SIMPLEX TechTree

0.11.4.5 for KSP 1.9.1

Dr. Jet's Chop Shop

Properly oriented rover bodies, deployable skycranes, dual-axis solar panels, SpacePlane+ (Mk2) parts, blisters, structural hubs and other useful parts.

Dr. Jet's Chop Shop

1.4.0 for KSP 1.12.5

Artemis Construction Kit

Adds parts inspired by NASA's Artemis missions including Orion & SLS

Artemis Construction Kit

0.9.99.0 for KSP 1.12.2

MoarKerbalsParts

Beautiful Parts for MoarKerbals

MoarKerbalsParts

1.9.99.3-prerelease for KSP 1.12.4

Wernher's Old Stuff (WOS) by TiktaalikDreaming

Old rocket parts from the dawn of the rocket age, back during kerbals Komplete Konflict II. Wernher von Kerben's legacy. Old Aggregate rockets including those that were never built. For Kerbal Space Program.

Wernher's Old Stuff (WOS) by TiktaalikDreaming

2.6.2.1 for KSP 1.12.5

MOAR Station Science

This mod adds several large parts designed to be integrated into a permanent space station

MOAR Station Science

1.1.0 for KSP 1.12.5

Minor Planets Expansion

The Minor Planets Expansion (MPE) is made to work along-side the glorious Outer Planets Mod to make a more complete analogue to our real solar system. It does so by adding a total of 15 new objects, from asteroids to dwarf planets! All of which use hand-drawn heightmaps, have biome maps, and even science definitions!

Minor Planets Expansion

V1.13 for KSP 1.11.1

Endurance (from Interstellar) Continued...

This mod is intended to recreate, visually and functionally, the Endurance spacecraft from the movie 'Interstellar.'

Endurance (from Interstellar) Continued...

1.4 for KSP 1.12.3

DefaultActionGroups

Part actions automatically in the action group of your choice.

DefaultActionGroups

2.1.0 for KSP 1.12.5

SSTO Project

SSTO project add wide range of high-performance spacecraft parts

SSTO Project

4.0 for KSP 1.12.5

ATK Propulsion Pack

Add's various solid rocket motors from Orbital ATK to the game

ATK Propulsion Pack

3.2.4 for KSP 1.12.5

TweakScale Rescaled

Rescale parts in the vessel editor. Faster, more features, fewer bugs.

TweakScale Rescaled

1.4.3.0-release for KSP 1.12.5

Mini Sample Return Capsule (MSRC) by : CobaltWolf and AlbertKermin

Two size zero (0.625m) parts that make up an autonomous return capsule to stuff your experiments in for Kerbal Space Program.

Mini Sample Return Capsule (MSRC) by : CobaltWolf and AlbertKermin

0.5.13.1 for KSP 1.12.5

Wernher Checker Continued

Checklist

Wernher Checker Continued

1.0.7.8 for KSP 1.12.5

Antenna Helper

Math your Antenna Range and Signal Strength

Antenna Helper

1.9.2_-_HOTFIX for KSP 1.7.3

Extrasolar: Planets Beyond Kerbol

Adds a new star system in orbit around the Kerbol System

Extrasolar: Planets Beyond Kerbol

1.0.7 for KSP 1.12.5

Kerbal Weather Project

Kerbal Weather Project (KWP) is a groundbreaking weather and climate mod for KSP. In KWP, weather and climate data from the Model for Prediction Across Scales (MPAS) were incorporated into KSP gameplay. KWP includes a global Hourly climatology from MPAS enabling players to experience diurnal and spatial variations in atmospheric conditions. In addition, point weather data from MPAS is provided at Kerbin launch sites, allowing payers to experience dynamic weather conditions that change daily. KWP features a text-based GUI showing remote sensing weather data (in space) and in situ weather data (in the atmosphere).

Kerbal Weather Project

2.4.99.0-adoption for KSP 1.12.3

Precise Maneuver (PM) by Morse

Precise Maneuver (PM) plugin provides a window for more precise maneuver node editing.

Precise Maneuver (PM) by Morse

4.1 for KSP 1.11.1

Planet Wiki

Planet Wiki is an in-game reference sheet full of information on every celestial body in the game.

Planet Wiki

0.3.99.0-adoption for KSP 1.12.3

Coyote Cargo Freighter (CCF) by dboi88

Coyote Cargo Freighter by Coyote Space Industries (CSI) is a massive parts pack for Kerbal Space Program.

Coyote Cargo Freighter (CCF) by dboi88

1.16.0.14 for KSP 1.12.5

Kerbal Research & Development

Spend science points to improve the stats of the parts you have already unlocked in a career game.

Kerbal Research & Development

1.13.2.1-hotfix for KSP 1.4.5

Modular Rocket Systems (MRS) by NecroBones

A stock-alike parts pack that fills in a variety of gaps in the stock lineup of rocketry parts.

Modular Rocket Systems (MRS) by NecroBones

1.8.99.3-prerelease for KSP 1.12.5

Rusty Star Rockets (RSR) by Gaga X

This part addon contains over one hundred and twenty (120) parts and twenty (20) unique IVA's, all with rusty aesthetics. For Kerbal Space Program.

Rusty Star Rockets (RSR) by Gaga X

1.0.3.0-release for KSP 1.12.5

SpaceY Corporation (SYC)

Space, why? Because it's there! Y is greater than X. Adds SpaceY Corporation's agent, flags, and common config files used in all SpaceY add-ons for Kerbal Space Program.

SpaceY Corporation (SYC)

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