Dynamo
Dynamo is an open-source visual programming platform that wires nodes into graphs so AEC teams can automate geometry, parameters, and data exchange, often alongside Autodesk Revit and Civil 3D.
Dynamo is an open-source visual programming platform for computational design and automation. The main source repository on GitHub had about 1,940 stars when reviewed in April 2026 (GitHub, 2026). The Dynamo Primer describes it as a graph-based environment where you connect nodes to define logic, geometry, and interoperability paths rather than writing traditional linear code (Autodesk Dynamo Primer, 2026).
Inside AEC workflows, Dynamo commonly drives Revit element creation, parameter updates, and exports to spreadsheets or other formats. Practitioners use it for rule-based massing, adaptive components, room data round trips, and custom utilities that would be slow to repeat by hand.
The DynamoBIM site hosts learning tracks, a community dictionary of nodes, developer notes, and forums, while builds and downloads are distributed through Autodesk and community channels (DynamoBIM, 2026). The Primer notes that starting with Revit 2020, Dynamo is bundled with Revit releases so many users no longer perform a separate Dynamo install (Autodesk Dynamo Primer, 2026).
Graphs can grow complex quickly: document groups, test on copies, and keep peer review for anything that touches project standards or safety-related data.
Specifications
Pricing
Platforms
Used for
Used by
Tasks
Pros and cons
Pros
- Large community and many free learning resources tied to the DynamoBIM site.
- Stays inside the same tools many firms already license, so graphs can align with live models.
- Open-source core lets studios inspect behavior and share graphs with clearer intent.
- Supports both beginner tutorials and advanced computational geometry workflows.
Cons
- Graph complexity can become hard to audit without discipline and code review habits.
- Host application version locks still matter; Revit year support must match your install.
- Performance tuning is on you when graphs process large element sets.
- Some advanced tasks require Python or DesignScript comfort beyond basic nodes.
Key features
Visual graphs: Connect nodes to describe data flow, geometry, and control logic without a single long script file.
AEC hosts: Widely used with Autodesk Revit and Civil 3D; the Primer also covers cross-disciplinary examples.
DesignScript and Python: Mix visual nodes with text where it speeds up repetitive logic.
Community resources: Node dictionary, Primer chapters, and forum threads help teams adopt patterns safely.
Interoperability: Exchange with Excel, SAT geometry, images, and other formats common in BIM pipelines.
Open license: Core project code is Apache 2.0 licensed on the official GitHub organization.
Developer ecosystem: Custom nodes and packages extend what ships in the default install.
Pricing
Dynamo Core (open source)
Contact sales
Apache 2.0 licensed source; host apps (Revit, Civil 3D, etc.) are licensed separately. Verify current terms on GitHub and Autodesk pages.
Frequently asked questions
Is Dynamo free?
The Dynamo core project is open source under Apache 2.0 on the DynamoDS GitHub organization. Commercial host software such as Revit still carries its own license. Treat bundled Dynamo installs as part of your Autodesk subscription terms.
Does Dynamo work with Revit?
Yes. Dynamo for Revit is a primary workflow described across the DynamoBIM tutorials and Primer. You can read and write Revit elements, parameters, and views through graph logic. Confirm your Revit year matches the Dynamo build you deploy.
How is Dynamo different from Grasshopper?
Both are visual programming environments. Grasshopper is tightly tied to Rhino modeling workflows, while Dynamo is the common choice inside Autodesk BIM and Civil 3D stacks. Pick based on your host software and delivery standards.
Can Dynamo export to Excel?
Yes. Training content on DynamoBIM walks through reading and writing spreadsheet data from graphs, including room exports and round-trip updates. Always validate data before you re-import into production models.
Where should beginners start?
Start with the Dynamo Primer for structured explanations, then use the introductory video series on DynamoBIM for versions 2.13 and newer. The forum is useful when you hit version-specific node changes.
Does Dynamo run without Revit?
Standalone Dynamo Sandbox builds exist for learning and testing graphs outside a host file. For BIM production work, teams usually run Dynamo inside Revit or Civil 3D so results stay linked to project elements.