SnapDraft – Sketch floor plans in the browser
Local-storage floor planner when SweetHome3D feels like overkill.

Calibrate-once floor plan measurement with pinch-zoom and loupe—solves a real friction point.
Homeowners, renters, furniture shoppers, interior designers, contractors
MagicPlan · Roomsketcher · Measure by Google
Useful for checking if your furniture will fit, planning renovations, or just figuring out how far the fridge is from the couch when all you have is a developer's floor plan
Quick link to a sample floor plan image: https://cubicasa-wordpress-uploads.s3.amazonaws.com/uploads/...
Local-storage floor planner when SweetHome3D feels like overkill.
One-line face drawing toy with a gallery, but lacks technical depth.
Instance segmentation for floor plans—clever CV work, but niche audience and no monetization path.
Visual plan annotations with E2E encryption feed feedback directly back to nine agent harnesses.
Persistent WebStreams replay drawings from JSON lines—novel infra for streaming apps.
Random team picker when Wheel of Names and countless alternatives already exist.