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GNU GPL: License to Software Freedom by Ata ur Rehman

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GNU GPL: License to Software Freedom by Ata ur Rehman

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GNU GPL: License to Software Freedom by Ata ur Rehman

  1. 1. GNU GPL: LICENSE TO SOFTWARE FREEDOM ATA UR REHMAN MANAGER SCIENTIFIC INFORMATION, NATIONAL CENTRE FOR PHYSICS, ISLAMABAD One Day Seminar on “Changing Role of Library Information Professionals Using Innovative Cutting-EdgeTechnologies” – January 20, 2018 – CIIT, Islamabad
  2. 2. INTRODUCTION  License (Definition)  a : permission to act OR b : freedom of action  Software License  A software license is a legal instrument governing the use or redistribution of software  Types of Software Licenses  Proprietary license  End User License Agreement (EULA)  Public License
  3. 3. INTRODUCTION (CONT..)  Workstation licenses  Perpetual licenses  Non-Perpetual licenses  License with Maintenance Richard Stallman: Founder of FSF and GNU
  4. 4. FSF: LICENSE CATEGORIES  Free licenses, compatible with GNU GPL  Free licenses, compatible with FDL  Free licenses, incompatible with GPL and FDL  Non-free licenses  Licenses for works stating a viewpoint
  5. 5. OSI: POPULAR AND WIDELY USED LICENSES  Apache License 2.0 (Apache-2.0)  3-clause BSD license (BSD-3-Clause)  2-clause BSD license (BSD-2-Clause)  GNU General Public License (GPL)  GNU Lesser General Public License (LGPL)  MIT license (MIT)  Mozilla Public License 2.0 (MPL-2.0)  Common Development and Distribution License version 1.0 (CDDL-1.0)  Eclipse Public License version 2.0
  6. 6. GNU GENERAL PUBLIC LICENSE - GPL  Richard Stallman created its first version (GPL v.1) in Feb 1989 for GNU project  As per philosophy of FSF, it provides the following freedoms for software usage which are released under GPL:  Freedom 0: Run it  Freedom1: Redistribute it  Freedom 2: Change it  Freedom 3: Redistribute it with changes
  7. 7. GNU GENERAL PUBLIC LICENSE – GPL (CONT..)  GPL v. 2 released on June 1991  GPL v. 3 released on June 2007  Currently GPL is being used by half of Free and Open Source Software
  8. 8. SOFTWARE USING GPL  Linux (Debian, Slackware, etc.)  Open Journal System (OJS)  LibreOffice  Koha  DSpace  Greenstone Digital Library System
  9. 9. www.facebook.com/ataurrehman ata.rehman@gmail.com www.twitter.com/ataurrehman QUESTIONS 9
  10. 10. THANKS

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