Kerbal CurseForge

An improved version of the stock maneuver node tool.

v4.0 - Ingame science checklist

This mod is designed to help Sci-fi enthusiasts to create crafts of their dreams. With an integrated Hyper drive engine and a Hyper drive inline there is no limit.

Nuclear weapons and heavy ordnance for BDArmory

Collision FX adds sound, light and particle effects when colliding or scraping your craft.

Makes it possible to make cars, trucks, vans as how you want them with modular parts.

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

Stockalike-ish probe and science parts pack

Control Rails Warp Rates, Slow-Motion, and Hyper Warp

Lights for Self-Illumination

Knes

A parts pack mod containing a variety of stock-alike parts that are meant to fill in the existing gaps in the stock selection, and offer additional cosmetic options.

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

More radiators to manage your spacecraft's temperature

Service Module and accessories designed specifically for use with the stock Mk1-2 Command Pod, vaguely resembling NASA’s Orion MPCV. May or may not have a convincing stockalike appearance.

MechJeb Embedded with ModuleManager it Gives MechJeb Functionality to every command module, even from mods! Version Independent (should be :P) Career mode supported

kOS is a scriptable autopilot Mod for Kerbal Space Program. It allows you write small programs that automate specific tasks. kOS was originally written by Nivekk, In his absence I am continuing it.

The Graphics Enhancements Assembly includes a lot of textures and settings, allowing you to making your graphics in KSP even better and more colorful.

A pack for stock-a-like and miscellaneous spaceplane parts!

This is only a texture for the planet Kerbin and no mod.