1 Facebook continues to be the number one social network in the world and it has many of advertising or publishing either you sign up on their ads or you make more friend.
2 WhatsApp is an instant-messaging social network that works primarily on Smartphone’s is to do with the person you own his number.
3 LinkedIn is a social network used by professionals and is now owned by Microsoft is about sharing business information. You must belong to a group you specialize on.
4 Google+ is Google’s social that owned by Google, it also share information among people in your group.
5Twitter is also like facebook where you can sign up on ads or advertise.
6 Instagram is a photo and video sharing social network with your love once.
7 Snapchat is a multimedia messaging network with over 150 million daily users that has gained widespread popularity because of its innovative image filters.
8 Quora is a question-and-answer social network where users can get answers to their posted questions.
9 Skype is an instant messaging platform that enables communication using text, voice, and video base on secretion and is now part of Microsoft.
10 Tumblr is a blogging network allowed you to share your idea. The social network supports both web and mobile.
11 Gab is an ad-free social network that allows its users to read and write messages of up to 300 characters, called “gabs.”
12 VK is like Facebook but more popular in Russia and neighboring countries with over 400 million users.
13 Reddit is a content sharing social network where you can posts or direct links can be shared on the site and voted by members to determine popularity.
14 Meetup is a social network that facilitates a group of people to meet in person around a specific topic or theme. It has roughly 32 million users.
15 Skyrock is primarily a French social network that offers blogging capabilities to its members. It has a few million members.
16 Pinboard is a paid social network that allows sharing of bookmarks. The users can benefit from an ad-free experience on this site.
17 Xing is a career-oriented social network that is used by consumers and businesses. Xing supports closed groups to enable a private and secure network within an enterprise.
18 Sprybirds is a social and business activity. List or find businesses. Connect with friends and clients. Tell the people who you are and what you do
19 Plurk is a free social networking and micro-blogging service that allow you to share short messages, links, videos and everything else with your friends
20 LiveJournal is a unique place where people share their life stories, give advice and exchange ideas.