There are 3 repositories under experience-builder topic.
ArcGIS Experience Builder samples
Use Experience Builder within a devops workflow to automatically build the app on commit.
Write a widget once and use it either in a custom app or Experience Builder
A simple Widget for exploring OSM data in Experience Builder.
ArcGIS Experience Builder web extension repo with demo widgets, mostly from my customer workshops. Demo app on Github page is in 1st draft state.
Example of an Experience Builder widget that can wrap any ArcGIS API for JavaScript widget
what3words reverse geocoding widget for ArcGIS Experience Buider - https://what3words.github.io/w3w-arcgis-experience-builder-widget/expBuilder_Widget/
A collection of experience builder extensions (themes and widgets) used by Wisconsin State Cartographer's Office web applications.
Repository for the 2024 Esri Developer Summit | ArcGIS Experience Builder: Customizing and Extending
Experience Builder widget sample showing how to get a reference to a map widget without using Settings.
Example Experience Builder widget showing how to display the latitude and longitude, scale, and zoom level of the map.
Experience Builder wrapper around The One Widget component
Sample widget experimenting how to swap the webmap dynamically in a single Experience Builder map widget
An ArcGIS Experience Builder apps config sample repo.
An Experience Builder custom themes and widgets sample repo.
the swift Art of handy Wifi; digitech endeavors of an entrepredudorino with a ship-it mindset.
Custom html to be embedded into Esri AGOL web products
Example Experience Builder widget showing how to add a Feature Layer to a map.
Example custom widget interacting with multiple map widgets