Skype Portable is one of the most popular cross-platform IP telephony applications that allows you to communicate with users around the world.
Demo: https://www.skype.com
The Skype Chat Support WordPress plugin is a powerful and easy-to-use tool that allows you to add a Skype chat widget to your website, making it easy for your visitors to communicate with you or your support team.
Demo: https://codecanyon.net/item/skype-chat-support-pro-wordpress-plugin/42971023
Advanced Social Sharing Pro is addon for WoWonder v3.1.1 & above.
Demo: https://codecanyon.net/item/whatsappsmsskypetelegramviber-social-share-pro-for-wowonder/15315760