12Manage is a management portal which contains over 400 methods and theories along with more than 1,500 management terms which can help you to become a better manager in a hurry. The site is translated into 12 different languages making this a great tool for those in international business looking to find a common vocabulary with others who might not necessarily speak the same language.
Basically, this site provides you with all of the theory behind how to make a correct management decision and it does it at an MBA level. Search by category which include amongst others: Leadership, Marketing, Finance and Communication, or simply enter a term that you want more information about into the search bar and start reading.
12manage.com In Their Own Words
“Management portal summarizes over 400 methods and theories and explains over 1500 management terms, combining scientific rigor with practical relevance.
Why 12manage.com It Might Be A Killer
This is a great encyclopedic reference site that can help people brush up on their business skills. Especially advantageous is the fact that it is available in 12 languages and can therefore help people from different cultures and backgrounds to get on the same page.
Some Questions About 12manage.com
Have they considered offering downloadable PDF documents for each of the sections? People may like being able to print off or at least store certain sections for offline reading. 
