by Trantor·Workflow
Images © Trantor. Used for product review; image policy.
Hot Node earns its place in the blender_extensions library for making node setups portable between files, backed by an open GPL-3.0 codebase and a documented API for developers.
Hot Node is a Blender add-on built for saving edited node setups and adding them back across different files. It works with Blender 4.2 LTS and newer, and adds nodes at high speed through the Shift A menu. Alongside saving and adding, it covers image matching, node sharing, and undo/redo.
You can save nodes through the right-click context menu, import and export node packs, and set a node tree reuse mode. A preference lets you disable the extend menu to return to the original Blender menu. The interface is available in English and Simplified Chinese, and the developer welcomes further translations.
Hot Node has a code architecture with a relatively high degree of decoupling, and it naturally supports some third-party nodes without guaranteeing full accuracy; support for more nodes and newer Blender versions can be added by editing its serialization modules. The add-on also exposes an API through its SerializationManager, with methods such as serialize_preset() and deserialize_preset(). It is released under the GNU General Public License v3.0 or later.
Hot Node is best for blender artists who reuse node setups across .blend files, including material and geometry node work.
Hot Node is completely free to download and use.
Hot Node lists compatibility with Blender 4.2 LTS and newer, so it runs on the 4.2 long-term-support release and later versions. The extension requests file system access, which it uses for storing custom nodes. If you are on an earlier Blender build, you would need to upgrade first. For the latest details on supported versions and any newer releases, the developer's page is the best place to confirm before installing.
Hot Node installs from within Blender 4.2 or newer: open Edit > Preferences > Get Extensions, search for Hot Node, and install it. Alternatively, you can download the zip from the developer's GitHub page and install it from disk through the same preferences area. Once installed, you add saved nodes with Shift A, and the developer's tip is to click the icon rather than click get. Further setup details are available on the developer's page.
Hot Node naturally supports some third-party nodes, though it does not guarantee 100% accuracy. Its code architecture has a relatively high degree of decoupling, and support for additional nodes or newer Blender versions can be added by editing its serialization modules. Developers can also reuse its API through the SerializationManager, which provides methods such as serialize_preset() and deserialize_preset(). For specifics on extending node support, see the developer's page.
Hot Node is listed as free in this catalog and is released under the GNU General Public License v3.0 or later, with individual files potentially under a different but compatible license. The developer accepts optional donations through Ko-fi or 爱发电 to support ongoing maintenance. For the current licensing terms, the full license text, and any donation options, the developer's page is the place to check.
Hot Node ships with English and Simplified Chinese interfaces, and the developer welcomes additional translations. Translations are stored in a translations.csv file, so contributors can add their own language. Beyond languages, capabilities such as saving nodes via the right-click context menu, importing and exporting node packs, and setting a node tree reuse mode are available. For translation contribution details, see the developer's page.
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