MYTHEMESHOP
By 2017, MyThemeShop has widened its theme and plugin portfolio significantly by making more than 350,000 users happy. You can list over a hundred of premium WordPress themes and you can choose among more than 30 necessary and, what is more, top quality plugins that are displayed in categories like Addon, Free WP Plugins, Functionality and Widgets.
Regarding WP Themes, the main strengths of MyThemeShop is on the sides of Blog and Magazine related premium themes, while the eCommerce category has also been regularly updated and broadened for the sake of the Digital Economy we are creating right now.
Still, there is much room for improvement to make up the backlog in fields like charity WP themes, keynote and event WP themes, and other dynamically developing and emerging fields like Airbnb hosts, or research project oriented themes.
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THEMEFUSE
ThemeFuse is a more business oriented theme inventory. This webdesign studio collects and offers more than 45 beautiful themes for various purposes ranging from magazine and blogging, business and corporate, charity, eCommerce, events, photography, through children and health issues to real estate related WP themes.
Anyone interested in current and future premium WP themes at ThemeFuse, (s)he can get access to them by joining the club on a reasonable yearly price.
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THEMEZILLA
Powering our websites is like powering our mind and soul. To do so, ThemeZilla is one of the best places to find the right WordPress theme and plugins. Almost 30 themes (blog, free, photography, responsive, tumblog, agency, business, magazine, porfolio, retina-ready, zillacommerce) together with a good deal of neat plugins (ZillaDribbbler, ZillaSocial, ZillaLikes, ZillaShare, ZillaShortcodes), you can engage in WP in a more instructive way.
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WOOTHEMES
Since today’s muse is the profit, selling something or just seeking web presence for our businesses is inevitable to increase profits. In this regard, the perfect WP themes you can choose are found in WooThemes.
Their themes offer seamless integration with two of the most popular WordPress plugins available – and best of all, they are free to use. First, there comes WooCommerce, as the most customizable eCommerce platform for building online businesses. Second, there comes JetPack too, which gives you tools to help increase traffic and engagement while simplifying the day-to-day tasks of running a WordPress site.
The major themes covered are business, free, magazine, portfolio, responsive, sensei and storefront themes.
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COLORLIB
When something comes easy, we tend not to appreciate it as we would have been struggle for it before. But, believe us, although Colorlib themes come easy, they are highly renowned and appreciated along their lifecycle.
Colorlib is a beacon of elegant and robust WordPress themes classified by a variety of domains. Since the beginning of 2017, Colorlib offers more than 150 Premium themes that are SEO friendly, fast to load, well maintained, responsive and mobile-friendly.
The most popular categories are WooCommerce, eCommerce, Multi-Purpose, Portfolio, Photography, Blog, Corporate, Minimal, One Page, Parallax, Real Estate and many others.
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I second Colorlib. Used two of their blog themes on client websites and they run fast and fine. Because they are light on resources we can have so much more traffic on a website that uses normal shared host. (plus lots of caching, cloudflare and ls cache)