IBOToolbox – 100% Free Independent Business Social Network (Highly Recommended)
Linkedin – Worlds largest professional network.
Facebook Buzz – Add friends on Facebook instantly.
SalesSpider – Free Business Community with almost 1,000,000 members.
IBOToolbox – System is 100% FREE to use., no payment is ever necessary!
Social Media E-Book (.pdf 1.85 MB)
Friend Feed – Not exactly a business social network but it’s a very cool interface!
PeopleString ‘Where You Own the Web’. It is the new wave in relationship and social communities; it has the Creativity, Culture, Expressive Forums and places to meet new people and network; but now it combines all that with giving you a share in the revenues that are created by the users of the website.
Apsense is a Free Business Social Network where people get paid to come together to share their business. Bring your online business to life by building your own business social network, business website and much much more within minutes!
Blellow is a community with a focus on productivity. It’s a place for freelancers and professionals to collaborate, find work, and solve problems. Blellow is organized into groups based on interests, and anybody can join the conversation.
XING – Global networking for professionals. Over 8 million members already use XING to manage their business contacts.