Related sites:

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• pjsip.org

  PJSIP - Open Source SIP, Media, and NAT Traversal Library

  

• ranksheet.com

  World's No.1 Free Online Exam, Certification and Job Portal - RankSheet.com

  

• ctext.org

  Chinese Text Project

  

• bogotobogo.com

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• detectmobilebrowsers.com

  Detect Mobile Browsers - Open source mobile phone detection

  

• xenserver.org

  Citrix Hypervisor | Open Source Server Virtualization