Growing your community is not always an easy task. You need to offer unique value to your audience to keep them coming back for more. You should also make it easy for folks to join your community and contribute to it. Letting your visitors log in with their social media accounts is one way to do that. These 6 plugins add social login capability to your website:
Super Socializer: adds social login, commenting, and sharing to your website. It makes it easy for your visitors to join and contribute to your site.
UserPro: a user profile and community plugin that allows you to create unlimited custom profile fields. It enables social connect via Facebook, Twitter, and Google+.
Social Login: allows your visitors to comment and login with Twitter, Facebook, Google, LinkedIn, and other social media accounts.
WordPress Social Login: supports Twitter, Facebook, Google, Yahoo, and more (23 social networks). It is easy to integrate with your site. Lets your visitors comment and login faster.
Nextend Google Connect: want to let your visitors login with their Google account? This plugin lets new users register on your site with a single click. Existing users can attach their Google profile to their account.
Facebook All: adds Facebook’s social plugins to your site. It allows your visitors to comment and login with Facebook and Google. The premium version offers support for WooCommerce.
There are a few other social login plugins that can make your website more social media friendly. These types of scripts do tend to break a lot when top social sites get a big update, so you want to be aware of that fact before adopting one.