There's no denying that Skype is by far the most ubiquitous VoIP service today, but a new project launched this week aims to create an open source alternative.
GNU Free Call, which was announced on Monday by the GNU Project, will offer a service that's both secure and usable on all platforms, much the way closed-source Skype is, its developers say. The key difference, however, will be that it's available "without requiring a central service provider to register with, without using insecure source secret binary protocols that may have back-doors, and without having network control points of any kind that can be exploited or abused by external parties," its creators say.

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