This is a collection of more advanced snippets that have been made into official Spiffy plugins. Documentation on usage is contained in the sample HTML files of each. Many of which are found within customers' accounts under snippets and advanced snippets
Custom Terms Checkboxes (GDPR Enabled)
Spiffy Placer - Used internally for custom field placement throughout an order form and can be found on the advanced snippets page
UTM Utility - Used to pass UTM url variables to all links on a page. Requires jQuery