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.
opentakeoff sits in the Workflow Automation category, so it is usually better judged by workflow fit, deployment style, and team needs than by isolated features alone. Based on the available metadata, it leans most clearly toward Instantly open and process various plan formats (PDF, image, zip) directly in the browser without uploads.. A representative use case is Measuring quantities for building plans in construction and estimating.. The listed license is Apache-2.0. GitHub stars are currently 642. Relevant tags include Building Plan Analysis, Quantity Takeoff.