1. Behance
(www.behance.net)
The leading online platform to showcase & discover creative work. The creative world updates their work in one place to broadcast it widely and efficiently. Companies explore the work and access talent on a global scale.
2. Dribbble
(http://dribbble.com)
What are you working on? Dribbble is a community of designers answering that question each day. Web designers, graphic designers, illustrators, icon artists, typographers, logo designers, and other creative types share small screenshots (shots) that show their work, process, and current projects. Dribbble is a place to show and tell, promote, discover, and explore design.
3. Awwwards
(http://www.awwwards.com/)
Awwwards are the awards that recognize the talent and effort of the best web designers, developers and agenciesin the world.
4. Smashing Magazine
(http://www.smashingmagazine.com/)
Smashing Magazine is the ultimate web design blog. If you need to know how to do something, or need some inspiration, Smashing Magazine will undoubtedly have an article on it somewhere. All you need to do is search the site.
5. Wireframe
(https://wireframe.cc/)
Wireframe.cc is a new, minimal wireframing tool that allows you to create simple wireframes of websites and mobile apps. Before you dive into all that HTML, take time to visualize your design with this intuitive tool.
An updated version of this article exists at The Top 14 Best Portfolio Websites for Designers and Artists.