https://www.blenderkit.com BlenderKit community provides you with everything needed to create beautiful 3D artwork. Download models, materials, HDRs, scenes, and brushes directly in Blender.

https://extensions.blender.org/add-ons/ikea-browser/ Browse IKEA 3D models and insert into Blender.

https://extensions.blender.org/add-ons/modern-primitive/ Some Modern Primitive for Non-Destructive Modeling.

https://extensions.blender.org/add-ons/right-mouse-navigation/ Game Engine-style navigation for Blender’s 3D Viewport (and optionally Node Editors).

https://extensions.blender.org/add-ons/simple-deform-helper/ This is an add-on used to improve the Blender simple deform modifier. You don’t need to spend hours learning and memorizing a lot of[…]

https://extensions.blender.org/add-ons/io-scene-max/ Import 3D MAX models into Blender