Under active development

Drupal 8's Contact module, fully featured as it is, doesn't let you change the labels & contents of the core fields on the Contact form.

Anti spam module by CleanTalk to protect your Drupal sites from spam bot registration and spam comments publications thru comment and contact forms.

Page Cache Clear was built as a simple way to flush a page's cache when working with Varnish and Workbench moderation.

This module allows you to store data, probably coming from some 3rd party source, as pure JSON.

The problem

The Token Environment module allows you to define an environment of the site and use it how a token. This token can be interesting if you need create dynamic paths with environment to save files. And it can be added to body classes.