3DS Max Plugins

Modeling

Ivy Growth Script - A tool that helps model and grow ivy for in-game environments.
Normal Tools - A tool that provides several ways to affect and work with the normals on your mesh. Works with 3ds Max 2014-2018. May work with 3ds Max 9/2008-2013.
PolySmoother - A professional tool to efficiently work with Smoothing Groups. Works with 3ds Max 2014-2019.
Quad Chamfer - Edge chamfering tool that extends functionality to only produce quads when chamfering; incorporate smoothing groups, edge creases, and other. Works with 3ds Max and 3ds Max Design 9/2008-2014 (32 & 64 Bit). 2015+ is built into 3DS Max.
Quad Remesher - Quad Remesher is an automatic quad remeshing technology.
QuadSphere - An Object Plugin that creates spheres made of quads, which are useful for low polygon modeling and mesh subdivision. Works with 3ds Max 9(SP1)-2019
xFormer - A tool that will allow you recover the transformation of an object. Works with 3ds Max 2010-2019.

Advanced UV Normalizer - A tool for normalizing the Texel Density across different objects. Works with 3ds Max 2010-2019.
TexTools - An addon to 3DS Max to make UV unwrapping and texturing easier. A must have for any 3D artist.
PolyUnwrapper - A complete set of professional tools designed for the texture artists, especially for the architectural and game industries. Works with 3ds Max 2010-2019.
UV Puppy - A set of "quick to use" buttons and different functions, created for a batch work with UVs. Easily create a second UV channel for a large number of objects to bake lighting, unwrap a group of objects with quick flatten mapping, attach and pack objects by material, and more.

Easy Peasy 2 - A multi-function tool with many different functions, small scripts, and a variety of settings. With this tool, you can easily manage your scene by creating a set of different rules and conditions based on your needs in different working situations. For a quick overview of Easy Peasy 2, see here.