Open Source Licenses

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Open Source Licenses / A presentation By Dr. Kalyan C Kankanala

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Open Source Licenses

  1. 1. Open Source LicensesOpen Source Licenses By Dr. Kalyan kalyan@bananaip.com Web: www.bananaip.com Blog: www.bananaip.com/sinapse-blog 04/10/14© Copyright BananaIP, All Rights Reserved 1
  2. 2. ExampleExample  SOS is working on developing a software for a client. The software has ten modules. Five of the modules are readily available online and can be utilized for development purpose with slight modifications.  No Notice of any kind. Copyright notice. OSS License. 04/10/14© Copyright BananaIP, All Rights Reserved 2
  3. 3. 04/10/14© Copyright BananaIP, All Rights Reserved 3 GPLV3GPLV3
  4. 4. 04/10/14© Copyright BananaIP, All Rights Reserved 4 RightsRights Copy and run the program Modify Distribute
  5. 5. 04/10/14© Copyright BananaIP, All Rights Reserved 5 Distribution - Verbatim copiesDistribution - Verbatim copies Notice Authorship Accompanied by GPL Notice of No warranty / Liability
  6. 6. 04/10/14© Copyright BananaIP, All Rights Reserved 6 Distribution - Modified versionsDistribution - Modified versions Notice of change Date of change License the entire work Applies to whole work regardless of how they are copieda
  7. 7. 04/10/14© Copyright BananaIP, All Rights Reserved 7 Integration with ProprietaryIntegration with Proprietary SoftwareSoftware Derivative Work Independent work
  8. 8. 04/10/14© Copyright BananaIP, All Rights Reserved 8 Other termsOther terms Technical Measures Patent Assertion Down Stream License No warranty and liability
  9. 9. 04/10/14© Copyright BananaIP, All Rights Reserved 9 GPLV2 Vs. GPLV3GPLV2 Vs. GPLV3 Patent license Hardware restrictions Technical measures Work based on and Work using the program
  10. 10. 04/10/14© Copyright BananaIP, All Rights Reserved 10 LGPL – Lesser General Public License – version 3
  11. 11. 04/10/14© Copyright BananaIP, All Rights Reserved 11 RightsRights Libraries Application based on the library Copy, Distribute and Modify Combined work Combined library
  12. 12. 04/10/14© Copyright BananaIP, All Rights Reserved 12 ConditionsConditions Notice of library Accompany with license Copyright notice Source code of the library Combined libraries
  13. 13. 04/10/14© Copyright BananaIP, All Rights Reserved 13 BSD - Berkeley Software Distribution
  14. 14. 04/10/14© Copyright BananaIP, All Rights Reserved 14 RightsRights Redistribution and Use Source and Binary forms Modify
  15. 15. 04/10/14© Copyright BananaIP, All Rights Reserved 15 ConditionsConditions Retain copyright notice No use of author's or organization's name No Warranty and Liability
  16. 16. 04/10/14© Copyright BananaIP, All Rights Reserved 16 Apache License
  17. 17. 04/10/14© Copyright BananaIP, All Rights Reserved 17 RightsRights Copyrights Patent Rights No patent assertion
  18. 18. 04/10/14© Copyright BananaIP, All Rights Reserved 18 ConditionsConditions Copy of license Notices Acknowledgement Publicity No warranty and liability
  19. 19. 04/10/14© Copyright BananaIP, All Rights Reserved 19 Apache 1 Vs. Apache 2Apache 1 Vs. Apache 2 Patent Rights Patent Assertion License copy Compatibility
  20. 20. ExampleExample  Ravi, a researcher at IITM, develops a software for converting text to speech in Indian accent. He makes the software available under GPLV3. Speak, a company based out of Bangalore, wishes to integrate the same in the new version of its scan/read software.  Conditions? 04/10/14© Copyright BananaIP, All Rights Reserved 20
  21. 21. ExampleExample What conditions would vary if the software is made available under LGPL, MPL, BSD or Apache Licenses. 04/10/14© Copyright BananaIP, All Rights Reserved 21
  22. 22. 04/10/14© Copyright BananaIP, All Rights Reserved 22 Thank you.Thank you. For more information:For more information: www.bananaip.comwww.bananaip.com www.bananaip.com/sinapse-blogwww.bananaip.com/sinapse-blog

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