The open source philosophy
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The open source philosophy

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A presentation on the Open Source Philosophy and Free Software, also throwing some light on the various Open Source Licenses

A presentation on the Open Source Philosophy and Free Software, also throwing some light on the various Open Source Licenses

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  • 1. The Open Source Philosophy By Gautam Krishnan, III rd Year, C.S.E.
  • 2. "For men may come and men may go, But I go on for ever." -Alfred Lord Tennyson (1809 – 1892) A quote to begin with ..
  • 3. THE AGENDA :
    • Definitions
    • Timeline
    • The Open Source Software Development
    • Licenses :
      • GNU-GPL
      • Creative Commons
      • Copyleft
    • So, why do we use Open Source ?
    • Open Source : Beyond Softwares
    • How can I get involved?
  • 4. DEFINITIONS
  • 5. Definitions
    • Open Source : Promoting access to the end product's source materials
    • Free software : Matter of liberty, not price.
    • GNU : A recursive acronym that stands for "GNU's Not Unix"
  • 6. Definitions
    • The philosophy of Open Source
      • The freedom to run the program, for any purpose (freedom 0).
      • The freedom to study how the program works, and change it to make it do what you wish (freedom 1).
      • The freedom to redistribute copies so you can help your neighbor (freedom 2).
      • The freedom to distribute copies of your modified versions to others (freedom 3).
  • 7. TIMELINE
  • 8. Timeline
    • 1969 UNIX Development Begins.
    • 1976 Emacs written by Richard Stallman, later in 1984, released under GNU-GPL.
    • 1984 Richard Stallman starts the Free Software Foundation at MIT.
    • 1985 GCC started by Richard Stallman.
    • 1986 Programmer Larry Wall releases PERL
    • 1991 Linux Kernel started by Linus Torvalds.
  • 9. Timeline
    • 1991 Python was released.
    • 1993 The Wine project started.
    • 1995 PHP, created by Rasmus Lerdorf, released publicly.
    • 1996 Birth of KDE and Apache
    • 1997 GNOME was first released.
    • 1999 OpenOffice.org was founded.
    • 2003 Firefox was developed.
    • 2011 Linux Kernel 3.0 released.
  • 10. THE OPEN SOURCE SOFTWARE DEVELOPMENT
  • 11. The Open Source Software Development
  • 12. LICENSES
  • 13. Copyleft
    • 0. the freedom to use the work,
    • 1. the freedom to study the work,
    • 2. the freedom to copy and share the work with others,
    • 3. the freedom to modify the work, and the freedom to distribute modified and therefore derivative works.
  • 14. Creative Commons
    • Forefront of the Copyleft movement
    • To counter the increasingly restrictive permission culture.
    • Supporters : Google, Mozilla Foundation, Red Hat
    • Types of CC Licenses : Attribution, Attribution Share Alike, etc.
  • 15. GNU – General Public License
    • Written by Richard Stallman in 1989
    • Accounts for about half of the free software which are licensed.
    • Conflicts in various versions of the license.
    • Under GPL : Linux Kernel, GCC, MySQL etc.
  • 16. Wake up, it’s STORY TIME !
  • 17. SO, WHY DO WE USE OPEN SOURCE?
  • 18. So, Why do we use Open Source?
    • The availability of the source code and the right to modify it
    • The right to redistribute modifications and improvements to the code
    • The right to use the software in any way.
    • There is no single entity on which the future of the software depends.
    • No per-copy fees can be asked for modified versions
    • It provides a new forum for democratic action.
  • 19. SOME OPEN SOURCE ALTERNATIVES TO COMMERCIAL SOFTWARES
  • 20. Some Open Source Alternatives to Commercial Softwares
    • Adobe Illustrator and Corel Draw - Xara Xtreme, Skencil, Inkscape
    • Adobe Photoshop – GIMP
    • Autodesk Maya, 3ds Max – Blender
    • ICQ, MSN Messenger – Pidgin
    • Microsoft Exchange Server – Zimbra
  • 21. Some Open Source Alternatives to Commercial Softwares
    • Microsoft Internet Explorer – Firefox, Rekonq
    • Microsoft Outlook – Evolution, Mozilla Thunderbird
    • Adobe Soundbooth – Audacity
    • iTunes, Windows Media Player – Rhythmbox, VLC Media Player
  • 22. OPEN SOURCE : BEYOND SOFTWARES
  • 23. Open Source : Beyond Softwares
    • OpenCola
    • Vores ØI beer
    • Brewtopia - Open-Source Brewery
    • Nestle's Nespresso and Krups' Tassimo
  • 24. HOW CAN I GET INVOLVED?
  • 25. How can I get involved?
    • Free Software Foundation www.fsf.org
    • Open Source Initiative www.opensource.org
    • http://Freshmeat.net
    • http:// SourceForge.net
    • http:// OSDir.com
    • http://distrowatch.com
  • 26. THANK YOU! Gautam Krishnan, III rd Year, C.S.E., SASTRA University facebook.com/gkthegr8 @gkthegr8 [email_address] Gtalk: gkthegr8