Trapcode Suite 14 - The industry-standard package for motion graphics in After Effects. Red Giant Trapcode Suite is a set of 11 tools for 3D motion graphics and visual effects.

  https://gumroad.com/l/auqXp

This script is a must have for medium polygon modeling.
Weighted Vertex Normals or Face Weighted Normals use the area of the face to tune the vertices normals.
This script does this for you with just one click.
Unlike others FWN Scripts, this one considers coplanar faces like they were a unique big face
You can disable this feature to get an standard FWN result, or increase threshold for not completely flat surfaces

RESONATOR is an extension for collecting, exporting, and storing graphical resources for various mobile platforms and the web.

Fujifilm Simulator consists of 6 different colour actions. You can convert your digital photos into the style of analog photographs. Forget all those color actions you used to have before. Fujifilm Simulator has the actions you need to create the closest results to analog.

FloorGenerator is a plugin for 3ds Max (2013 to 2018) which generates floor objects consisting of individual boards which can easily be textured using MultiTexture. It's a great tool if you're doing architecture visualization and need to make floors that are NOT going to tile and that you can see up close without any pixilation.

Thea Render is the most versatile renderer featuring state-of-the-art Unbiased, Biased and GPU engines.

Blendy 360 Cam 2.0 brings true stereoscopic Immersive cameras to cinema 4D

Fontself Maker is an extension for Photoshop and Illustrator CC
that lets you turn any lettering into OpenType fonts in minutes!

Ornatrix is a system designed to solve the problem of creating hair and hair-shaped structures. To achieve this goal it employs a variety of tools and automation to allow the user to work in an easy and intuitive environment.

Xrayunwrap 2.0 has been released! Compatible with 3ds Max 2009 to 3ds Max 2019 The easiest, finest and cheapest solution to the modern UV creation is back! Xrayunwrap is the real single click solution to speed up your work pipeline in the creation of UV mapping. With this new version we focused on enhancing the UI to improve work pipeline, allowing to edit vertex, polys, UV shells in a more dynamic way. Also we introduced some features which have been suggested by our customers to make Xrayunwrap more powerful and user friendly. Following we highlighted the most interesting features among the new introduced.

iRay can work with C4D’s physically plausible materials, but iRay is really built upon NVIDIA’s MDL, or Material Definition Language, which was made to share physical materials and lights between applications using iRay and Mental Ray. This means that the full vMaterial library is supported as well as exchange with other MDL-supported apps, like 3ds Max, Maya and Rhino.

Genarts PlugIns Bundle - a package of more than 300 plugins for Adobe After Effects, Premiere Pro, Nuke, Autodesk and other editors OFX version, designed for image processing and synthesis effects, divided into several categories: illumination, stylization, distortion, over sharpening, transition effects, etc. Each addition has a set of parameters that can be animated, so that the number of effects you can get with plug-ins, increased many times. 

The Motion Designers Lighting Kit Pro was designed to truly speed up your workflow, and suppress the need of adding keyframes to create loopable animations. Fully customizable motion and lighting controls, with versatile settings and easy to use.