Share your work through Arch, Northwestern University's research and data repository.
Through Arch, you can showcase and preserve your work. Both published and unpublished work, such as articles, papers, conference presentations can be deposited which will be publicly available and searchable via Google, mints DOIs.
OpenDOAR is the Directory of Open Access Repositories which is an authoritative organization where you can locate academic open access repositories.
About.me - Can create a public profile and keep all your online identity links in one place. Has free and paid options.
Academia.edu - An academic social networking site where you can share your research and monitor the impact of research. Has large number of members and is free.
Blogger - allows you to create your own website and analyze your audience through the Google Analytics tool and it is free.
Google Scholar - The Google Scholar profile is public, you can search it to find articles by you. You can track number of citations to your articles and calculate citation metrics, is free.
LinkedIn - Social networking tool that you can use to promote your image and also to learn about potential employers and employees. Has paid and free versions.
Researchgate -- Social networking tool that allows you to discover research articles and also to connect with other researchers. It is free.
Twitter - Social networking site that allows users to follow other users. Useful for directing others to articles, discussions and more.
Wordpress - is a web and blog hosting service that allows you to create and maintain web content. Fee based.