They are completely free and you can use them anywhere you like, although of course we recommend using our very own transactional email provider, OhMySMTP
Production-ready templates are located in /dist. To use them copy them into your application as email templates and modify any variables you want to include as per your application / sending software.
While you can modify templates in the dist/ folder directly, it's not recommended as you lose a lot of the pre-processing benefits. Instead follow these instructions:
If you find any issues please open a PR here, or contact firstname.lastname@example.org. If you find the templates useful, please contribute back with more templates.