A few free Magento 2 modules
Module that connects to Openweather (API) and obtains weather data from the current location of the user browsing the website, this data is displayed in the header of the website.
This module shows on the order confirmation page the total amount of money the customer has spent in the shop.
With this module you can add a new field (atributte) to a product, you can edit this new field in the backend and it will be shown on the frontpage in the information section.