Third-Party Components

Components and Credits

The Strong Towns Langley website uses several open-source libraries, frameworks, and resources. We're grateful to the developers and communities that maintain these projects.

Web Frameworks and UI

Component Description License
Bootstrap Front-end framework for developing responsive, mobile-first websites MIT License
Bootstrap Icons Free, high quality, open source icon library MIT License
jQuery JavaScript library designed to simplify HTML DOM manipulation MIT License
Font Awesome Icon set and toolkit Font Awesome Free License

Mapping Libraries

Component Description License
Leaflet Open-source JavaScript library for mobile-friendly interactive maps BSD-2-Clause License
Leaflet Ajax Plugin for Leaflet that allows loading of GEOJSON file via AJAX MIT License
Leaflet MarkerCluster Plugin for Leaflet that provides beautiful, sophisticated clustering functionality MIT License
Turf.js Advanced geospatial analysis for browsers and Node.js MIT License

UI Components and Utilities

Component Description License
DHTMLX Suite JavaScript UI library for building web applications GPL License (source code for pages where it is used is available upon request)
OverlayScrollbars JavaScript scrollbar plugin that hides native scrollbars, provides custom styleable overlay scrollbars MIT License
JSZip JavaScript library for creating, reading and editing .zip files MIT License or GPLv3

External Services

Service Description Usage
Google reCAPTCHA Service to protect websites from spam and abuse Used on forms to verify human users
Zeffy Donation and form platform Used for memberships and donations
Substack Newsletter and publishing platform Used for embedding content feeds

This website is built and maintained by volunteers. If you have any questions about the technologies used or would like to contribute, please contact us.