Extensions

Assign to your products any kind of custom field, like colors (color swatches), numbers, text and display it in multiple ways (color buttons, buttons, checkboxes, drop-down lists, etc.)
With JUX Virtuemart Mega Menu, you can make Virtuemart categories and subcategories display as menu items. JUX K2 Mega Menu, Hikashop Mega Menu, VirtueMart Mega Menu, Redshop Mega Menu, Joomshopping Mega Menu
The plugin implements a postal code based shipping method in J2Store. You can set shipping cost based on the postal code.
By this plugin you can configure a set of breakpoints: sizes for devices you want to support for images  
TLP Team PRO is a fully Responsive Joomla extension that display your team members. It is full configurable from admin end. I has module included with carousel features and different settings control you can show it any position. It has the following fields name, position, image, short bios and detail bios, location, web, email, phone, social links and Skills.
The best module for generating entry and exit marketing pop-ups to engage customers.
CM Social Post is a Joomla! component helping you schedule your posts to Facebook and Twitter from your Joomla! back-end.  
It displays relevant RSS feeds set from the backend, obtaining a clean way to direct genuine traffic towards the site. RSS Factory PRO combines all the abilities of RSS Factory with a very special feature Import2Content, allowing complete or partial import of specified feeds into your Joomla! content.
With this plugin (DT Register DocuSign Generator) enabled, documents can be automatically generated within your DocuSign account, based on data from a DT Register event registration and assigned to the logged in user.
ConverseKit is a plugin that enhances usability of EasySocial by adding a super cool chat icon on every pages of your site. It is currently relies on EasySocial to build it's contacts list and conversations between users. This dependency will be removed in future releases and ConverseKit will be able to be standalone.