
BlenderAe2
by Salt Media
BlenderAe2 by Salt Media transfers 3D data and objects between Blender and After Effects in both directions, covering vertices, 3D layer transforms, camera data and layer synchronization.
by Inlet·Workflow
Images © Inlet. Used for product review; image policy.
Vertex Group Collections earns its place for closing a gap in native Blender, giving vertex groups a folder-and-subfolder layout the default interface leaves out.
Natively, Blender keeps vertex groups in a single list with no folders. Vertex Group Collections adds that missing folder structure, letting you rename groups and set which vertex groups go in which folder, with subfolders available for further tidiness and full control over how the list is arranged.
The addon has been stress tested up to 1000 vertex groups on a single model, the point where performance can degrade significantly, though reaching even half that count is unlikely in most projects. Documentation is included, and the addon works across Blender versions 2.83 through 5.0 under a GPL license.
A demo video is available. Shape Key Collections, a separate addon, also brings a folder structure, in that case for shape keys. Both cover different data, vertex groups here, shape keys there.
Vertex Group Collections is best for blender users managing large or cluttered lists of vertex groups on a model.
Vertex Group Collections is completely free to download and use.
Vertex Group Collections lists compatibility with Blender versions 2.83 through 5.0, covering a wide span from older builds to current releases. If you're running a version inside that range, the addon's folder-based organization for vertex groups should be available to you. For versions outside that range, or to confirm behaviour on a specific build, check the developer's page. The broad version support means the addon isn't tied to a single Blender release cycle, so it stays usable across upgrades within that window.
Vertex Group Collections has been stress tested up to 1000 vertex groups on a single model, and at that point performance can degrade significantly. The developer notes it's doubtful most projects would reach even half that number, so typical use with far smaller counts stays well within comfortable territory. If your models carry unusually large vertex group counts, this ceiling is worth keeping in mind, but for ordinary work it's unlikely to be a limiting factor for most Blender users.
Vertex Group Collections is released under the GPL license. That license covers how the addon's code can be used, modified and redistributed, setting the terms for anyone working with or building on it. Documentation is also included with the addon. For the full terms and any specific details about redistribution or modification, the developer's page and the accompanying license text are the places to look for the authoritative wording, since those carry the exact conditions rather than a summary.
Vertex Group Collections is listed as free here in the catalog. Licensing and availability can change over time, so for the current terms and to download the addon, head to the developer's page. The addon itself is released under the GPL license, which governs use, modification and redistribution. For the most up-to-date details on availability and any conditions attached, the developer's page is the authoritative source to check before you install.

by Salt Media
BlenderAe2 by Salt Media transfers 3D data and objects between Blender and After Effects in both directions, covering vertices, 3D layer transforms, camera data and layer synchronization.

by MACHIN3
Machin3Tools is a continuously evolving collection of tools and pie menus for Blender, gathered in a single customizable package. It ships in two base variants, Prime and DeusEx, with the DeusEx variant adding more advanced tools.

by MikhailRachinskiy
3D Print Toolbox is a Blender add-on with utilities for 3D printing. It analyzes mesh volume and surface area, checks and fixes geometry, hollows shapes, aligns models to the print bed, and exports to STL, PLY, and OBJ.

by glukoz
UVPackmaster 4 is a UV packing engine for Blender that packs UV maps on the CPU and GPU, using the Cuda and Vulkan APIs, and can run on the CPU and all system GPUs at once.

by MMD
MMD Tools is a Blender add-on for editing MikuMikuDance (MMD) models. It handles importing and exporting model, motion and pose data, along with chopping and joining parts, plus rigid body, material and motion editing.

by HaughtyGrayAlien
SimpleBake brings PBR and traditional texture baking to Blender from a single panel. Select objects, choose maps, and bake — no special node groups or new workflow, working with whatever materials you've already built.