StartIT is the #1 selling tech theme in word press. It is very flexible and easy to use because no coding skill is required to use this theme.
You will have a free Visual Composer plugin and a Layer slider plugin included in this theme. You can also keep parallax images and sticky headers in this theme.
This theme has multiple header layouts, drag and drop page builder, and various ready-to-go blog templates and portfolio layout which makes this theme very customizable.
StartIt is Translation Ready, Retina Ready, Widget ready, and SEO optimized. It is compatible with plugins like Elementor, WPBakery, WooCommerce, etc.