Primary map rendering engine for interactive vector tile maps

Geospatial analysis — buffering, measurement, spatial operations, and geometry processing

Advanced geospatial processing — topology-aware simplification, geometry repair, attribute joins, and data transformations

Converts KML and KMZ files to GeoJSON for import

Component-based UI framework powering the entire application

Client-side page routing and navigation

Utility-first CSS framework for styling

Lightweight state management for stores

Rich text editor for feature descriptions

CSS class name composition utilities

Document head management for SEO

Fast CSV parsing and import with auto-detection

Reading and extracting KMZ (zipped KML) archives

HTML sanitization to prevent XSS in rich text content

Generating unique identifiers for features and entities

Open-source backend providing database, authentication, and real-time sync

Client-side PDF generation for map exports

Fast development server and production bundler

Static type checking for JavaScript

Code quality and style linting

CSS processing and browser compatibility