Popular Mods

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0.8 for KSP 1.12.5

Contract Pack: Constellations

Contract Pack focusing on satellite and relay constellations.

Contract Pack: Constellations

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

3.00 for KSP 1.12.3

SpaceX Landing Pads

This mod adds the SpaceX Landing Zones and will eventually include all 3 droneships.

SpaceX Landing Pads

1.4.1 for KSP 1.12.1

ID Flags and Decals

Identify your ships and parts.

ID Flags and Decals

2.30.20250710 for KSP 1.12.5

TETRIX TechTree

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

TETRIX TechTree

v2.0.1 for KSP 1.12.5

ASET Consolidated Stock Replacement IVAs

A set of three advanced, functional IVAs

ASET Consolidated Stock Replacement IVAs

0.3.3 for KSP 1.9.1

Colorful Fuel Lines

More color choices for fuel lines, instead of the same old yellow. Includes: White, Black, Red, Green, Blue, Orange.

Colorful Fuel Lines

0.7 for KSP 1.10.0

All Tweak

It adds tweakscale to all the stock parts and mods. Need Tweakscale and Module Manager

All Tweak

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

2.1.13 for KSP 1.12.5

Docking Port Sound FX

Add docking sounds to stock docking ports! Works with mods too using simple API (a few lines added to a config file)

Docking Port Sound FX

1.2.1.1-release for KSP 1.12.3

Field Training Facility (FTF)

This addon provides training for your kerbalnauts by adding a Field Training Facility (FTF) (school) into all science labs. You can train your kerbalnaut(s) over time with space stations and planetary bases.

Field Training Facility (FTF)

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

1.2.14.3 for KSP 1.12.5

OSE Workshop Reworked

A set of parts that enable you to make new parts in flight, recycle old parts, and convert ore

OSE Workshop Reworked

0.1.5.3 for KSP 1.12.5

Integrated Stack Decouplers

Integrate the stack decouplers with your tanks to save on part count

Integrated Stack Decouplers

9.0 for KSP 1.8.1

EVA Transfer

A standalone EVA resource transfer system.

EVA Transfer

1.4.0 for KSP 1.11.2

ESLD Jump Beacons

Jump from planet to planet in no time at all!* *Subject to high cost, clear line-of-sight, gravity well restrictions, potential explosions and/or fatalities. Use with care.

ESLD Jump Beacons

1.1.2 for KSP 1.12.5

Kerbal Wilds

Outer Wilds solar system in KSP!

Kerbal Wilds

1.2.1.0-release for KSP 1.12.3

Field Training Laboratory (FTL) by Efour

This mod provides training for your kerbalnauts by adding a Field Training Lab into all science laboratories which consumes science points to educate a kerbal with experience(stars).

Field Training Laboratory (FTL) by Efour

1.1.99.0-adoption for KSP 1.12.5

Mkerb Inc. Science Instruments (MSI) by ManuxKerb

Four new science instruments partly based on real world experiments

Mkerb Inc. Science Instruments (MSI) by ManuxKerb

1.5.1 for KSP 1.5.1

Engine Lighting

This mod adds lighting to engines!

Engine Lighting

1.4.99.0-adoption for KSP 1.12.3

Antennas (ANT) by DTPhantom

Adds six new antennas that are compatible with Antenna Range, Remote Tech and Telemachus to Kerbal Space Program.

Antennas (ANT) by DTPhantom

0.17.0.0-adoption for KSP 1.12.3

Notes

Simple notepad to take text notes in game.

Notes

0.0.5 for KSP 1.12.5

KSP_PartVolume

Create configs for parts which don't have ModuleCargoPart

KSP_PartVolume

0.7.1 for KSP 1.12.5

YongeTech: Tech Trees Plugin Re-Revived

The Tech Trees Plugin provides support to make creating and using custom tech trees easier

YongeTech: Tech Trees Plugin Re-Revived

1.1.2.1-release for KSP 1.12.3

Jack O'Lantern (JACK) by Porkjet

Jack-O'Lantern themed probe cores in seven sizes. All the modcons. Now supports Chucking.

Jack O'Lantern (JACK) by Porkjet

1.3.2 for KSP 1.12.5

Mk-33

Parts inspired by the X-33/VentureStar

Mk-33

0.2.99.0-adoption for KSP 1.12.3

The Elephant Engine

A 75% "Mammoth", consisting of 3 Vectors in a 3.75m base. Mode switching for Elephant-Plume effects!

The Elephant Engine

1.9.20250710 for KSP 1.12.5

SIMPLEX Station Parts

A small range of stockish based truss parts for station building

SIMPLEX Station Parts

1.10.1 for KSP 1.10.1

Deep Space Surface Habitat Unit Pack

Expandable surface habitat units with life support compatibility

Deep Space Surface Habitat Unit Pack

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