
BTracer
by Community
BTracer is a Blender add-on with tools for converting and animating objects and particles into curves. It lives in the 3D Viewport sidebar under the Create tab and was previously bundled with Blender 4.1.
by MikhailRachinskiy·Motion Graphics
Images © MikhailRachinskiy. Used for product review; image policy.
Commotion earns its place in the Blender extensions library by focusing on animation offset across many objects, a common motion graphics need, and by keeping current with Blender 4.4 and the new Slotted Actions system.
Commotion is a Blender add-on for motion graphics from developer MikhailRachinskiy. Its main job is offsetting animation across multiple objects using different sorting methods, and it works with both F-Curves and NLA strips.
Beyond offsets, Commotion can copy and link animation between objects. The Proximity Effector lets you change object properties by distance to other objects, and the add-on includes utility tools for absolute shape keys.
Version 2.5.0 brings compatibility with Blender 4.4 and support for the new Slotted Actions system, raising the minimum requirement to Blender 4.4. Commotion is released under the GNU General Public License v3.0 or later and is listed here as free. The project is open source, with its code available on the developer's GitHub repository, and a demo video is available on the developer's page.
Commotion is best for blender artists creating motion graphics who need to offset animation across many objects, link animation between them, and drive properties by proximity.
Commotion is completely free to download and use.
Commotion version 2.5.0 is compatible with Blender 4.4 and newer. This release added support for Blender's new Slotted Actions system and raised the minimum requirement to Blender 4.4, so older Blender builds are not covered by this version. If you need to run it on Blender 4.1 or older, the developer's page lists an earlier release for those versions. For the current compatibility details, check the developer's page linked in this listing.
Commotion is released under the GNU General Public License v3.0 or later. That means the add-on is open source, and its full code is available on the developer's GitHub repository. It is listed here as free. For the exact terms, permissions, and any obligations that come with the GPL-3.0 license, refer to the license file on the developer's page rather than relying on a summary.
Commotion includes a Proximity Effector that lets you change object properties by distance to other objects. Alongside it, the add-on offsets animation across multiple objects using different sorting methods and works with both F-Curves and NLA strips. It can also copy and link animation between objects and provides utility tools for absolute shape keys. For a look at these tools, a demo video is available on the developer's page.
Commotion is listed here as free, and its extension page notes it does not require special permissions. The add-on is released under the GNU General Public License v3.0 or later, so the source code is openly available on the developer's GitHub repository. Licensing and distribution terms can change, so check the developer's page for the current details before you download.
Commotion 2.5.0 added compatibility with Blender 4.4 and support for Blender's new Slotted Actions system. This update also raised the minimum requirement to Blender 4.4, so the version targets recent Blender builds. Earlier features such as animation offset, F-Curve and NLA strip support, copy and link animation, the Proximity Effector, and absolute shape key tools remain part of the add-on. For the full version history, see the developer's page.
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