Blendermarket - Mossify

https://blendermarket.com/products/mossify

Software Version 4.3, 4.2, 4.1, 4.0, 3.6, 3.5 | Render Engine Used Cycles, Eevee | Misc Data Uvs-Unwrapped, Low-High-Resolution, Textured

 CyberScape Pro is a procedural futuristic city generator powered by Geometry Nodes. With this groundbreaking tool, you can effortlessly create mesmerizing megacity scapes.

 A huge collection of pre-animated, fully customisable, professional camera moves created for Blender -- Designed to boost production values and save time! Easily import into your scene, camera moves typically found in Hollywood Movies, Motion Graphics, Adverts and VFX Shots which have been designed by a cinematographer with over 10+ years experience in the film industry. You will wonder how you ever managed without CinePack!

Human Generator is a Blender add-on and comes with full customer support for use in Blender, but currently not for other 3D software.

Blender Market / Gumroad - Machin3Tools v1.0.2

https://machin3.gumroad.com/l/MACHIN3tools

MACHIN3tools is a continuously evolving collection of blender tools and pie menus in a single customizable package.

Blender Market - Physics Placer V1.0.2

https://blendermarket.com/products/physics-placer

https://blendermarket.com/products/visual-bone-limits

Easily constrain the bone rotation to mesh surfaces with just one click. Say goodbye to the buggy Limit Rotation constraint and see a clear visual representation of the rotation limit space. Rigify compatible.

https://blendermarket.com/products/speedflow

A complete suite of tools to help you in your daily work!

Speedflow is a group of modals that allows you to improve dramatically your workflow for modeling! 

With the addon, you can manage modifiers directly in the 3D view as simple and fast as possible. 

Select an object, launch a modal and add multiple modifiers on the fly, launch another modal, add other modifiers and make your modeling faster than if you had to create modifiers by yourself. 

https://blendermarket.com/products/blender-basic-shortcuts-reminder

This addon allow you to have a quick list of all essential shortcut of Blender. That can be very useful when you are beginners.

https://blendermarket.com/products/liner-tool

"This tool is designed to make great magic/sci-fi outlines for the Text/Shape and to get some functionality of After-Effect in Blender. You can make amazing graphics and titles with the help of this tool with full artistic control in Blender."

https://blendermarket.com/products/surface-painter

Surface Painter is the simple, yet powerful addon, that helps you adding quick and already colored basic materials into your objects in no time!  Addon works with Blender 3.0+ // For now it supports only default Blender sRGB color space

https://blendermarket.com/products/zipmerge

This addon is perfect for merging complex geometry together where merge by distance creates issues or you need to preserve UVs and want to avoid bridging faces. A handy use case is when you are trying to merge seams together on clothing.  A great example is the GIF below. If you were to try and merge these verts using merge by distance you would merge lots of unwanted components. This is a scenario we modelers face time and time again.

https://blendermarket.com/products/wear-n-tear

Erode your models by adding Wear N' Tear to create that used, worn out feel. Cut cracks, cut parts off, add scratches, rip, tear, shred.

https://blendermarket.com/products/lazy-bones

addon for converting armatures into render-able mesh objects. Custom shapes are now supported. This is a free/experimental addon. Expect possible bugs.

https://blendermarket.com/products/pidgeontoolbag

The Pidgeon Tools addons brought together into an easy to use addon to cover the entire pipeline!

https://blendermarket.com/products/ik-particles-link

Particles Link is a tool for artists allowing you to create awesome particles effects. This add-on makes it easy to connect a bunch of particles. PL can also be used as a curve generator and particles tracer.

https://blendermarket.com/products/instantclean

  Instant Clean is a single click mesh clean addon for Blender, including an easy to use Preset System. Save yourself some time by automating the mesh clean process when you import models from other software or online.

https://blendermarket.com/products/meshmachine

MESHmachine is a blender mesh modeling addon with a focus on hard surface work without subdivision surfaces.  Fuse and Unfuse Surfaces, create Variable Fillets and Washouts, edit and fix Bevel geometry, Unbevel and Unchamfer, create and clean up Boolean Intersections and create perimeter loops, keep earlier mesh states around as Stashes and use them for Normal Transfers, flatten and straighten normals, symmetrize and mirror custom normals, and detail surfaces flawlessly using Plugs - incl. your own custom made ones.