Payment

The Payment module is a simple way to do commerce. See The Payment Module: A Simpler Alternative to Drupal Commerce, https://www.ostraining.com/blog/drupal/payments/

Commerce

The Commerce module is a robost e-commerce solution for Drupal. Its ecosystem includes many contributed modules and a large community for support.

Jammer

The Jammer module hides particular elements from edit forms, similar to the Simplify module. This module is mentioned on the revisioning module/s project page on Drupal.org.

Form Builder

This module is a great way to easily create a form and generate the PHP form structure. Used in the Configuration Builder module.

Leaflet

For creating great mobile, touch friendly maps: "Integration with the Leaflet JavaScript mapping library."

Translation Management Tool

The description on the module's project page sums this up: "The Translation Management Tool (TMGMT) module provides a tool set for translating content from different sources. The translation can be done by people or translation services of all kinds. It builds on and uses existing language tools and data structures in Drupal and can be used in automated workflow scenarios.

Hermes

A distribution which is a central server for managing translation jobs.