opentakeoff
★ 650
vs
n8n
★ 208.3k
opentakeoff vs n8n
opentakeoff: OpenTakeoff is a free, open-source web-based canvas for measuring quantities from building plans, applicable to various construction trades like flooring. It uniquely allows both human users and AI agents to utilize the same measurement engine, with all data processed locally in the browser and features like one-click area tracing.; n8n: n8n is a secure workflow automation platform for technical teams, combining the flexibility of code with the speed of no-code. It offers 400+ integrations, native AI capabilities, and allows full control over data and deployments with its fair-code license.
01
TL;DR
opentakeoffWorkflow Automation · ★ 650
Measuring quantities for building plans in construction and estimating.
n8nWorkflow Automation · ★ 208.3k
When to choose:
- You want a visual workflow builder with 1,500+ integrations, 9,000+ templates, and first-class AI agent, tool-calling, and human-approval nodes.
- You want the ability to drop in custom JavaScript or Python code steps inside visual workflows and self-host via Docker.
When to skip:
- You require an OSI-approved open-source license (such as MIT or Apache-2.0); n8n uses the fair-code Sustainable Use License.
- You want code-first durable execution without a visual canvas; Temporal or AutoKitteh are built for code-first workflows.
02
Side-by-Side Comparison
Field
opentakeoffn8nCategory
Workflow Automation
Workflow Automation
Stars
★ 650
★ 208.3k
License
Apache-2.0
Sustainable Use License
Install Command
cd web && npm install && npm run dev
curl -fsSL https://get.n8n.io | sh
Updated
1d ago
1d ago
Open Source
Yes
Yes
Tags
Building Plan Analysis, Quantity Takeoff, AI Agents
Workflow Automation, No-Code, AI Orchestration
03
Features
opentakeoff01Instantly open and process various plan formats (PDF, image, zip) directly in the browser without uploads.
02Powerful 'One-Click Area' flood-fill engine for accurate room tracing, even on hatched or scanned plans.
03Integrated AI agent support via MCP, allowing agents to drive the takeoff engine and browse plan sets.
04Comprehensive reports and exports (CSV, JSON, Excel, Marked Set PDF) with material buy lists and revision comparisons.
05Local-first operation with all data (drawings, scales, conditions) autosaving to the browser, ensuring privacy and no server-side uploads.
n8n01Flexible Coding Options (JavaScript/Python, npm packages)
02AI-Native Platform (LangChain-based agent workflows)
03Full Data & Deployment Control (Self-hosting, fair-code license)
04Enterprise-Ready Features (Permissions, SSO, air-gapped deployments)
05Extensive Integrations & Templates (400+ integrations, 900+ templates)
04
Use Cases
opentakeoff↳Measuring quantities for building plans in construction and estimating.
↳Commercial flooring, drywall, paint, concrete, and sitework estimating.
↳AI agents automating the takeoff process from building plans.
↳Creating labeled datasets for training takeoff models (via optional capture layer).
n8n↳Automating diverse business and technical workflows.
↳Developing AI agent workflows using LangChain with custom data and models.
↳Integrating over 400 services and applications for seamless data flow.
05
Best For
opentakeoff—
n8nMost PopularEssentialTrending
FAQ
FAQ
What is the difference between opentakeoff and n8n?
Both opentakeoff and n8n are in the Workflow Automation category. opentakeoff has 650 stars, while n8n has 208.3k stars.
Which is better, opentakeoff or n8n?
The best choice depends on your use case. Choose opentakeoff if Measuring quantities for building plans in construction and estimating., and n8n if Automating diverse business and technical workflows..
Is opentakeoff free or open source?
Yes, opentakeoff is open source on GitHub (Apache-2.0).
Is n8n free or open source?
Yes, n8n is open source on GitHub (Sustainable Use License).
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