> For the complete documentation index, see [llms.txt](https://engine.sygnal.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://engine.sygnal.com/usage/useful-library-additions/extending-capabilities.md).

# Extending Capabilities

## Luxon

For date time formatting and conversion. 

## Howler

For audio playback.

## Handlebars ?

For templatting 

## Alpine.js