QOL PenPal is a little Quality Of Life tool for those that use bezier curves in Blender.

Blender Market - Zen Sets v2.4.4.2

https://blendermarket.com/products/zen-sets

Zen Sets is an add-on for creating, managing, and visualizing native Vertex Groups, Face Maps and custom Zen Sets Groups based on Objects, Collections and Mesh Elements selection. Save the selection of Verts / Edges / Faces and Objects to bring it back whenever you want! Modify and display Groups by color in Viewport and UV Editor in a couple of clicks!

This add-on automatically sets all 3D views to Solid mode rather Material Preview, when Blender starts or when new files are loaded. So it will avoid those hiccups of compiling shaders right on the start. No configuration needed - just enable the addon and save the startup file.

https://blendermarket.com/products/bool-it

Bool it is a a quick way to apply booleans in object mode and manage them. Cool for beginners who wants to create hard surface style modeling without loosing their mind :) . Can save time for others …Hard surface modeling is a complex process. They are many addons that are great for advanced users, and do a very great job for that… And you know, the edit mode of blender is so powerful that you can create complex structures starting from a cube !

BagaPie Modifier v10.4.16 Addon for Blender

https://blendermarket.com/products/bagapie-assets

Software Version 4.3, 4.2, 4.1, 4.0, 3.6, 3.5, 3.4, 3.3, 3.2, 3.1, 3.0

Directly pick assets from the Asset Browser, selecting from any available libraries with ease. The ability to select multiple assets at once is also fully ..

https://www.blend4web.com/en/downloads/

 An add-on that allows you to instantly view your 3D scenes in a web browser and export them as individual web packages. With just a few clicks, you can convert your Blender projects into interactive web viewers - perfect for publishing your work on the web.

https://chafouin.gumroad.com/l/photographer5

Photographer is the most complete Camera and Lighting add-on for Blender 3.x and 4.x, compatible with EEVEE and Cycles (LuxCore is not supported anymore).It vastly expands your camera and lighting toolset with Physical Camera properties, Bokeh textures, Camera and Lens Post FX, Physical Lights with photometric units, Gobos and IES... It also includes Render Queue manager, Mixer interfaces for Lights, Emissive materials and Worlds.

like spacing and balancing to suit your taste.

Blender 4.2 - 4.3

Elevate your 3D artistry to professional heights with Secret Paint v1.7.22, the groundbreaking texture painting add-on designed exclusively for Blender. This powerful tool transforms Blender's native capabilities into a full-fledged digital canvas, combining the fluidity of traditional painting with the precision of modern 3D workflows. Whether you're texturing game assets, sculpting intricate details, or creating stylized environments, Secret Paint bridges the gap between concept and final render with unparalleled efficiency.

Blender Market - Geo-Scatter v5.5.2