The 10 Best Open-Source Products Of 2011

7. Asterisk 10

The open-source VoIP platform now supports conferencing via a function called “confbridge,” in the latest version Asterisk 10, Beta 1. In an industry that’s estimated at more than $3 billion annually by some, the advancement of open source into conference calling is no small deal. Between now and year’s end, Asterisk 10 may be one of the biggest IT developments of the year.

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