Popular Mods

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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

2.7.1 for KSP 1.12.3

Ground Construction

Build any vessel directly in orbit or on a surface of any planet from raw materials.

Ground Construction

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

0.1.15.3 for KSP 1.12.5

EVA Enhancements Continued

Enhance EVA controls & experience

EVA Enhancements Continued

1.4.1 for KSP 1.12.3

BetterCrewAssignment

Smarter by default. Remembers your choices. No UI.

BetterCrewAssignment

1.1.11.1 for KSP 1.12.5

K2 Command Pod Continued

The K2 Command Pod. This pod supports 2 Kerbals (but only requires 1 - making it handy for rescue missions). This

K2 Command Pod Continued

1.4.2 for KSP 1.12.5

Far Future Technologies

Optimistic but generally viable future spacecraft technologies.

Far Future Technologies

20250530 for KSP 1.12.5

Engineering Tech Tree

A tech tree based on engineering/scientific principles that is challenging to unlock yet fun to play through.

Engineering Tech Tree

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

2.0.1.2 for KSP 1.12.5

Modular Computer Package Revived

This is a small parts pack which provides a configurable computer core

Modular Computer Package Revived

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

1.4.0.0 for KSP 1.4.2

Universal Storage

Modular parts pack for creating Apollo style service modules, compatible with many life support mods and KAS/KIS

Universal Storage

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

0.9.99.0 for KSP 1.12.2

MoarKerbalsParts

Beautiful Parts for MoarKerbals

MoarKerbalsParts

2.1.0 for KSP 1.12.5

SSTO Project

SSTO project add wide range of high-performance spacecraft parts

SSTO Project

2.2.0.0 for KSP 1.12.2

OhScrap! (OHS) by severedsolo

Part Failures: Parachutes, Engines, Gimbals, Resources, Batteries, Reaction Wheels, Control Surfaces and more! Using ScrapYard for Kerbal Space Program.

OhScrap! (OHS) by severedsolo

1.1.0.0.-release for KSP 1.12.4

Drop Tanks (DROP) by Kerbal Hacks

Stockalike curved wraparound droptanks with an integrated decoupler for Kerbal Space Program.

Drop Tanks (DROP) by Kerbal Hacks

1.3.1.1 for KSP 1.12.5

Kerbal Wind Tunnel

This mod lets you see the flight envelope and performance graphs for your spaceplanes.

Kerbal Wind Tunnel

1.4.2.0-release for KSP 1.12.3

Taerobee (TBEE) by Beale (Tantares)

Adds some early rocket engines, such as Aerobee and X-4 (V-2 sounding rocket) to Kerbal Space Program.

Taerobee (TBEE) by Beale (Tantares)

6.0 for KSP 1.8.1

EVA Struts

An EVA attachable strut

EVA Struts

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

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

2.29 for KSP 1.12.5

TETRIX TechTree

An extended TechTree in the style of Simplex, with additional nodes to better support mods.

TETRIX TechTree

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

9.0 for KSP 1.8.1

EVA Transfer

A standalone EVA resource transfer system.

EVA Transfer

6.99.3.0 for KSP 1.12.5

Extraplanetary Launchpads

Allows you to build vessels in any location, not just at the KSC.

Extraplanetary Launchpads

1.0.2 for KSP 1.12.3

MEV Heavy Industries (MEV)

Daedalus, Bussard and Epstein drives for Kerbal Space Program.

MEV Heavy Industries (MEV)

6.0 for KSP 1.8.1

Basic DeltaV

A simple addon to provide DeltaV and related info while in the VAB/SPH

Basic DeltaV

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