keKit is a General Tool-Kit Blender Add-on

• Streamline your Blender workflow with ShapeKeyGen For Iclone/CC4 Blender Addon! Generate shape keys effortlessly with just one click that's compatible with iClone and CC4 Expresssions Sliders , saving you valuable time and effort. ShapeKeyGen For Iclone/CC4 is currently compatible with MetaRig and Auto Rig Pro, ensuring seamless integration with these rigs. Please note that modifying bone names, such as changing 'jaw_bone' to 'jaw_bone1', may disrupt ShapeKeyGen For Iclone/CC4 functionality. Ensure that bone names remain unchanged for optimal performance with Auto Rig Pro and MetaRig. Say goodbye to manual keyframing and hello to efficient animation creation! Enhance your Blender experience today with ShapeKeyGen For Iclone/CC4,This addon is better for stylized, cartoon, and semi-realistic character animations.

• Retargify is a plugin that completely overhauls Rigify, focusing on streamlining the setup process by eliminating time-consuming steps, improving the animation experience, allowing you to bring your animations to any software and providing you with consistent and easy to use armatures thanks to Rigify without sacrificing any features, all while maintaining compatibility with other software.

• I made a PBR Film Grain Compositor Node. I tried to get it as accurate as possible without using FotoScans. It can simulate almost all characteristics of film. ISO-dependent grain, which blends correctly with the original image. Subtle softening and bleed from the 3 layers of the Halide Emulsion, which have their own noise map. The node is also animated, so the noise is different every frame.

The easiest way (ever!) to add stunning trail effects to basically anything in Blender  Transform your 3D scenes with effortless, professional-quality trail effects that follow any object or movement in your Blender projects.

Blender 2.8 - 5.0 Beta

Ucupaint is a Blender addon to manage texture layers for the Eevee and Cycles renderers. Already in development for years, Ucupaint provides a lot of easy-to-use features while also being able to fit into your usual shader nodes workflow.

Stop switching between vertex, edge and face selection modes. Just hover and click.

• Rigi-All is a powerful and intuitive auto-rigging add-on for Blender designed to simplify one of the most technical and time-consuming stages of 3D character creation — rigging. Whether you’re an animator, game designer, or 3D artist, Rigi-All gives you the tools to generate professional-grade character rigs with speed, precision, and total control. It combines automation with flexibility, making it the perfect solution for both beginners and advanced users who want to focus more on animation and less on manual setup.

• LumiFlow is an advanced yet easy-to-use lighting plugin for Blender designed to revolutionize how artists approach scene illumination. Created for 3D designers, animators, and visualization specialists, LumiFlow transforms complex lighting workflows into an intuitive, efficient, and visually engaging process. Whether you’re working on product renders, motion graphics, or cinematic animation scenes, LumiFlow enables you to achieve professional lighting results in a fraction of the time.

SuperhiveMarket - Random Flow v3.6.9

https://superhivemarket.com/products/random-flow

Blender 4.5

• Random Flow is a random mesh generator designed for fast and easy hard surface prototyping and concept art. This a fast changing add-on with lots of new functionalities in the future.

Blender 4.2 - 4.5

Professional aspect ratio composition guides for camera framing with optional render burn-in!

• Built for Environment Artists, by an Environment Artist  I designed Arborea to solve the biggest frustrations we all face, from asset quality to scattering control. It's a growing library of premium nature assets and procedural tools for building stunning 3D environments in Blender faster and easier. From photoreal to fantasy, it gives you quick access to 600+ optimized assets, an intuitive scatter system, and powerful geometry node tools like vines, ivy, and snow.

• TimeMaster: One-Click Slow Motion is a powerful Blender add-on designed to give artists, animators, and simulation creators full control over the flow of time in their projects. Whether you’re creating cinematic slow-motion sequences, fast-paced time-lapse effects, or intricate physics-based animations, TimeMaster transforms what used to be a complex, manual process into a seamless one-click operation. Built for speed, precision, and reliability, it provides an intuitive workflow that integrates naturally into Blender’s animation and simulation systems.

Additional tools for Grease Pencil.

Blender 4.3 - 4.5

• Add-ons are mostly installed automatically in the program. In some cases, users download files from third-party profile resources and import them into the program. It all depends on whether the selected tool is in the Blender ecosystem.
• For automatic installation, you need to check for the add-on in the program. Go to the Edit tab — Settings — Add-ons. In the search bar, type the name of the add-on you are interested in. If the program has found it, just check the box next to the name — and the tool will be installed. To expand the search parameters, you can use the add-on sorting at the top of the window, selecting the Official, Community, and Testing options.

 Blender 4.2 - 4.5

• Measure and Scale is a very simple addon that allow you to Measure between any two vertices and uniformly scale the entire object to match that measurement. 

• The perfect solution for easing keyframes in Blender! With Graph Pilot, you'll be able to adjust F-curve handles and create smooth animations with ease. Say goodbye to robotic animations and hello to smooth, professional-quality motion. Graph Pilot is the ultimate tool for animators looking to take their skills to the next level. Whether you're a beginner or an experienced pro, Graph Pilot will make your workflow faster and more efficient than ever before.

• Auto-Highlight in Outliner is an addon for Blender's Outliner that was developed in response to a request by a member of the Blender community. It streamlines your workflow by automatically expanding the Outliner to show the selected object whenever you click on it in the 3DView.

• Unlock a new dimension of realism in your 3D workflow with 3DGS Render by KIRI Engine, a cutting-edge Blender add-on designed to bring scanned environments and objects to life with stunning detail. Built by the creators of the popular KIRI Engine photogrammetry app, this free tool bridges the gap between real-world scans and professional-grade rendering inside Blender.

• Bring the power and workflow of Cinema 4D's legendary MoGraph system directly into Blender.  MoGraph Tools is a massive collection of 77 professional node groups designed to take your motion graphics and effects to the next level.