Here is a list of some of the popular websites for professional networking with their Google Page Rank and Alexa Rank apart from Biznik, LinkedIn & Ryze...
Xing - The Professional Business Network with more than 10 Million members worldwide
http://www.xing.com/
Google Page Rank - 8
Alexa Rank - 249
Google Page Rank - 7
Alexa Rank - 260 Viadeo - a Web 2.0 professional social network
http://www.viadeo.com/en/connexion/
Google Page Rank - 7
Alexa Rank - 735 Jigsaw - a prospecting tool used by sales professionals, marketers and recruiters to get fresh and accurate sales leads and business contact information.
http://www.jigsaw.com/
Google Page Rank - 6
Alexa Rank - 2226 Yammer - The Enterprise Social Network - a tool for making companies and organizations
https://www.yammer.com/
Google Page Rank - 6
Alexa Rank - 4216 APSense - business networking with the relationship building power of a social network.
http://www.apsense.com/
Google Page Rank - 4
Alexa Rank - 4300 Yasni - People Search & Reputation Management
http://www.yasni.com/
Google Page Rank - 5
Alexa Rank - 4333 Eecademy - a social network for business people worldwide. - for online networking, networking events, business support and networking groups for entrepreneurs and small business owners.
http://www.ecademy.com/
Google Page Rank - 6
Alexa Rank - 7915 StartupNation - provides real-world business advice to people who want to start a business and who want to grow their small businesses.
http://www.startupnation.com/
Google Page Rank - 6
Alexa Rank - 10299 Focus - Connect with the world's leading business experts
http://www.focus.com
Google Page Rank - 6
Alexa Rank - 11866 Naymz - Next level networking. Join our reputation network to promote your good name and maximize your professional opportunities.
http://www.naymz.com/
Google Page Rank - 5
Alexa Rank - 13721 Small Business Brief - Register and submit articles - provides a daily update of the best small business news and resources.
http://www.smallbusinessbrief.com/
Google Page Rank - 4
Alexa Rank - 19362 Fast Pitch - Online Business Network allowing professionals to promote their business through networking and extensive marketing features.
http://www.fastpitchnetworking.com
Google Page Rank - 5
Alexa Rank - 19671 4Networking - UK's largest joined-up business network - The only truly joined-up national business network
http://www.4networking.biz/
Google Page Rank - 5
Alexa Rank - 20404 Groupsite - Where Social Networking and Collaboration Meet
http://www.groupsite.com/
Google Page Rank - 6
Alexa Rank - 24794 Brazen Careerist - giving professionals a fun and completely different way to network.
http://www.brazencareerist.com/
Google Page Rank - 7
Alexa Rank - 32109 iKarma Inc. - Online Business Reputation & Networking
http://www.ikarma.com
Google Page Rank - 5
Alexa Rank - 43899
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