Introduction
Produced using open source software

Explanations

Pros and Cons

Examples
What is Open Source Software?


                   Public Source code

              Developed by Volunteers

                        Free of Charge

           Open Source Initiative (OSI)

        Not all freeware is open source
What are open source licenses?

Approved by the OSI based on the OSD

Intermediate forms not allowed

Modification &
Redistribution


Copyright for software


Restrictions
                         GPL (Gnu Public Licence)
What is Proprietary Software?




You often pay for it

You can't see the code

Developed by paid coders
What Are Proprietary Licenses?


Software owned exclusively by author

Restrictions to the use

Examples: MS Windows
          Adobe Flash Player
Pros Of proprietary Software


 Official support

 More versatile

 Testing

 Familiarity
Cons Of proprietary Software

 Can't alter it

 Cost

 Discontinuations

 Not good for specialist needs

 Spyware
Pros Of Open Source Software

  Wait.... Not these guys...
Pros Of Open Source Software
For Businesses & Developers
Helps developers share costs

Helps companies stay present

Helps to build developer loyalty
Pros Of Open Source Software
For Consumers

Allows for verification of security claims

Increased reliability

Increased flexibility

Strong Communities
Cons Of Open Source Software




                       Code injection

                 Less vigorous testing

                Some hardware issues

    Requires more technical knowledge
COMPARISON
   TIME!
Free
                           ~£150
1% of Desktops
                 88% of Desktops
43% servers
                    42% servers
Portable
                      Compatible
Reliable
                         Familiar

   Linux         Windows
OperatinG Systems
Sets the minimum standard
                   Lots of vulnerabilities




Fast
Innovative
Displays HTML correctly

Firefox        Internet Explorer
Web Browsers
~£80
Free
                         Innovative
Reliable
                           Reliable
Imitates office well
                           Familiar

Open office            MS Office
Office Suites
~£250
Free
                        Easy to use
Unfamiliar interface
                             Stable
Extendible
                         Extendible
The Gimp         Adobe Photoshop
Image Manipulators
Free                                      ~£xx
 Many Languages                 .Net Languages
 Reliable                               Bloated
 Easy to use                       Feature rich
Eclipse                MS Visual Studio
IDEs   (integrated development environment)
Free                              ~£40
Simple graphics       Amazing graphics
Simple gameplay         Great gameplay
Limited contend Huge amounts of content

Armagedtron                Crysis 2
Games
Drum roll please...
Conclusion
Good for Hobbyists

Not so good for Businesses

Or Inexperienced End Users



But it's always getting better
References
(Sharma, Srinarayan; Vijayan Sugumaran and Balaji Rajagopalan (2002). "A framework for creating
hybrid-open source software communities" (PDF). Info Systems Journal)
We would just love
Credit                                        to thank:
Photos:
1. http://www.wicklanddesign.com/Illustration.html (GPL)
2. BitterJug on Flickr (Creative Commons)
3. DavidDMuir on Flickr (Creative Commons)
4. AtmTX on Flickr (Creative Commons)
5. Linus Torvalds (Creative Commons: LinuxMag.com)
6. Richard Stallman (Creative Commons: Victor Powell)
7. The U.S. Army on Flickr (Creative Commons)
8. Ianer67 on Flickr (Creative Commons)
9. RobynneBlume on Flickr (Creative Commons)
10. GenBug on Flickr (Creative Commons)

Images 11-19 excluding 13 are registered Trademarks of the respective companies.

13. http://www.saqibsaab.com/2008/05/12/
20. Armagedtron screenshot
21. Crysis 2 screenshot
22. Archangel-Daemon on Deviant-Art (Creative Commons)

Open source

  • 2.
    Introduction Produced using opensource software Explanations Pros and Cons Examples
  • 3.
    What is OpenSource Software? Public Source code Developed by Volunteers Free of Charge Open Source Initiative (OSI) Not all freeware is open source
  • 4.
    What are opensource licenses? Approved by the OSI based on the OSD Intermediate forms not allowed Modification & Redistribution Copyright for software Restrictions GPL (Gnu Public Licence)
  • 5.
    What is ProprietarySoftware? You often pay for it You can't see the code Developed by paid coders
  • 6.
    What Are ProprietaryLicenses? Software owned exclusively by author Restrictions to the use Examples: MS Windows Adobe Flash Player
  • 7.
    Pros Of proprietarySoftware Official support More versatile Testing Familiarity
  • 8.
    Cons Of proprietarySoftware Can't alter it Cost Discontinuations Not good for specialist needs Spyware
  • 9.
    Pros Of OpenSource Software Wait.... Not these guys...
  • 10.
    Pros Of OpenSource Software For Businesses & Developers Helps developers share costs Helps companies stay present Helps to build developer loyalty
  • 11.
    Pros Of OpenSource Software For Consumers Allows for verification of security claims Increased reliability Increased flexibility Strong Communities
  • 12.
    Cons Of OpenSource Software Code injection Less vigorous testing Some hardware issues Requires more technical knowledge
  • 13.
  • 14.
    Free ~£150 1% of Desktops 88% of Desktops 43% servers 42% servers Portable Compatible Reliable Familiar Linux Windows OperatinG Systems
  • 15.
    Sets the minimumstandard Lots of vulnerabilities Fast Innovative Displays HTML correctly Firefox Internet Explorer Web Browsers
  • 16.
    ~£80 Free Innovative Reliable Reliable Imitates office well Familiar Open office MS Office Office Suites
  • 17.
    ~£250 Free Easy to use Unfamiliar interface Stable Extendible Extendible The Gimp Adobe Photoshop Image Manipulators
  • 18.
    Free ~£xx Many Languages .Net Languages Reliable Bloated Easy to use Feature rich Eclipse MS Visual Studio IDEs (integrated development environment)
  • 19.
    Free ~£40 Simple graphics Amazing graphics Simple gameplay Great gameplay Limited contend Huge amounts of content Armagedtron Crysis 2 Games
  • 20.
  • 21.
    Conclusion Good for Hobbyists Notso good for Businesses Or Inexperienced End Users But it's always getting better
  • 22.
    References (Sharma, Srinarayan; VijayanSugumaran and Balaji Rajagopalan (2002). "A framework for creating hybrid-open source software communities" (PDF). Info Systems Journal)
  • 23.
    We would justlove Credit to thank: Photos: 1. http://www.wicklanddesign.com/Illustration.html (GPL) 2. BitterJug on Flickr (Creative Commons) 3. DavidDMuir on Flickr (Creative Commons) 4. AtmTX on Flickr (Creative Commons) 5. Linus Torvalds (Creative Commons: LinuxMag.com) 6. Richard Stallman (Creative Commons: Victor Powell) 7. The U.S. Army on Flickr (Creative Commons) 8. Ianer67 on Flickr (Creative Commons) 9. RobynneBlume on Flickr (Creative Commons) 10. GenBug on Flickr (Creative Commons) Images 11-19 excluding 13 are registered Trademarks of the respective companies. 13. http://www.saqibsaab.com/2008/05/12/ 20. Armagedtron screenshot 21. Crysis 2 screenshot 22. Archangel-Daemon on Deviant-Art (Creative Commons)