Popular Mods

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3.30.0 for KSP 1.12.5

Interstellar Fuel Switch

Interstellar Fuel Switch is meant for mod makers who want to add resource/mesh/texture switching to their tanks

Interstellar Fuel Switch

v20.4 for KSP 1.10.1

SCANsat

SCANsat: Real Scanning, Real Science, Warp Speed!

SCANsat

1.9.99.2-prerelease for KSP 1.12.5

SpaceY Heavy Lifters (SYL) by NecroBones

Adds 5m rocket parts, plus a variety of related parts and 3.75m items to fill in gaps.

SpaceY Heavy Lifters (SYL) by NecroBones

1.29 for KSP 1.12.3

Kerbal Inventory System (KIS)

KIS introduces new gameplay mechanics by adding a brand new inventory system and EVA usables items as tools. You want to build a rover on Duna from scratch? Or you've forgot to attach a solar panel to the planetary station? With KIS it's not a problem!

Kerbal Inventory System (KIS)

v1.14.0 for KSP 1.12.5

Bluedog Design Bureau

Adds stockalike Apollo, Saturn, Titan, Atlas and many many other things besides

Bluedog Design Bureau

1.4.99.2-prerelease for KSP 1.12.5

SpaceY Expanded (SYX) by NecroBones

An optional expansion for SpaceY Heavy Lifters that adds 42 7.5m parts among other enhancements.

SpaceY Expanded (SYX) by NecroBones

1.4.3 for KSP 1.8.1

DMagic Orbital Science

New science parts and experiments

DMagic Orbital Science

V1.5.9.0 for KSP 1.11.1

AmpYear

The AmpYear Power Manager makes electricity more manageable.

AmpYear

2.0.3.0-adoption for KSP 1.12.3

Fuel Tanks Plus (FTP) by NecroBones (aka Orvidius

Longer fuel tanks in a variety of styles, with assocaited fueled nose cones. Stand-alone, or companion to Color Coded Canisters.

Fuel Tanks Plus (FTP) by NecroBones (aka Orvidius

2.0.5 for KSP 1.12.3

JX2Antenna

Giant 2.5m stack-mounted relay antenna with 1000G transmission power.

JX2Antenna

0.5.1.0-release for KSP 1.12.5

Lithobrake Exploration Technologies (LET) (formerly LETech)

A parts pack for exploring other worlds, and returning home. Pods, large legs, large chutes, service bays, long ladders, etc for Kerbal Space Program.

Lithobrake Exploration Technologies (LET) (formerly LETech)

1.27.0 for KSP 1.12.3

M.O.L.E.

Mark One Laboratory Extensions- early space stations based upon the real-world Manned Orbiting Laboratory

M.O.L.E.

2.2.10 for KSP 1.12.5

Outer Planets Mod

The Outer Planets Mod is a mod that expands the outer edges of the Kerbol system to create something akin to the real Solar System's. It adds Kerbalized versions of Saturn, Uranus, Neptune and Pluto as well as several of these planets' moons. These faraway planets provide a challenge rarely encountered in Kerbal Space Program; you'll have to figure out new transfer windows, manage your power supply differently, provide your spacecraft with more Delta-V and be ready to travel years or even decades.

Outer Planets Mod

0.16 for KSP 1.9.1

Real Scale Boosters

Realistically scaled rocket parts, with real-world stats and performance, based on actual rocket designs.

Real Scale Boosters

v1.9.0 for KSP 1.12.5

Custom Asteroids

Lets users control where asteroids appear

Custom Asteroids

1.0.2 for KSP 1.12.5

Planetside Exploration Technologies

Surface base, MMSEV, & wind turbine parts

Planetside Exploration Technologies

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

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

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

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

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

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...

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

1.0.7.8 for KSP 1.12.5

Antenna Helper

Math your Antenna Range and Signal Strength

Antenna Helper

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

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

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