Microsoft SharePoint is one of the leading collaboration tools on the market. Wikis and other information portals like Lotus Notes are also means of providing a collaborative environment. It’s just a matter of what your organization’s needs are and who will manage the service. There are hosting services (SaaS – software as a service) or you can host it internally if you have the resources and skills. Effective use means making sure it provides value to the users and the management of the tool is within the skillset and strategy of your organization.