AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
MailChimp for WordPress is an email marketing plugin that enables you to build subscriber lists.
MetaSlider is a WordPress plugin for adding responsive sliders and carousels to websites.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
ShareThis provides free engagement and growth tools (e.g., share buttons, follow buttons, and reaction buttons) for site owners.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.