EasyWeight

Node Align is a Blender add-on that aligns nodes in multiple ways from a pie menu, opened with Shift+Q or Ctrl+Q. It covers edge alignment, distribution, grid layouts, and straightening links.

Export: Adobe After Effects (.jsx) is a Blender add-on from Les Fées Spéciales that exports animated cameras, lights, images, object locations and tracking markers to Adobe After Effects as a loadable ExtendScript file.

Molecular Nodes is a Blender add-on for importing and animating molecular data, handling atoms, small molecules, protein structures, molecular dynamics trajectories, cryo electron microscopy and tomography, starfile instancing and CellPack molecular ensembles.

N-Panel Organizer - Clean Panels is a Blender add-on that reorganizes how you reach your installed add-ons, offering four access methods including icon-based filtering, pinned dropdown panels and pie menus in the viewport.

Export Paper Model is a Blender add-on that generates a flat, printable net from a Mesh object, producing a PDF or SVG file ready for direct printing and paper modeling.

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.

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.

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.

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.

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.

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.