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AROUNDMe, a company we've covered before here at Mashable for their white-label social networking software (and one of our Top 10 Open Source Social Platforms), has released version 1.6 of AROUNDMe collaboration server.
With ACS, you can make easily incorporate into your website social networking components like wikis, blogs, and forums. ACS supports OpenID integration as one of the options that can be extended to the end users as well.
In version 1.6, AROUNDMe collaboration server now comes with language packs for multiple locations that can be created and added as needed, a more simplified installation process, and increased Tagcloud CSS compatibility.