Architecture·February 2026
Designing a Zero-Lag SVG Diagramming Engine in TypeScript
How we engineered FreePDFly UML to handle large diagrams with live relationship tracking, orthogonal waypoint routing, and reactive Zustand state management.
Technical Articles
FreePDFly Engineering Blog
Deep dives into browser diagram engines, SVG vector math, and software architecture.
Engineering·January 2026
Why We Built FreePDFly UML Local-First with IndexedDB
Examining why client-side browser storage beats cloud databases for software engineers who prioritize speed, privacy, and frictionless diagram editing.
Guides·December 2025
The Guide to UML Class vs Sequence vs Activity Diagrams
When to choose static structural modeling versus dynamic timeline interactions in modern cloud-native system design.