Download The Open Source Community

Chapter 14
The Open Source Community
Agenda
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Types of Free Software
Open Source Project
Open Hardware Project
Impacts
Types of Free Software
• Freeware
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Author retains the copy right
Allow user to use it for free
Does not allow commercial usage
Source code is not available or the code can not
be used in other program
– Giftware, cardware, and mailware
Types of Free Software
• Shareware
– Author release the program for free
– Request the user for a fee if user likes it
• Free software
– Without cost and freedom
– May also be sold
Agenda
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Types of Free Software
Open Source Project
Open Hardware Project
Impacts
Open Source Project
• Definition
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Free source code on the Internet
Allow modifications
Guaranteed reliability and quality
Bazaar not Cathedral by Eric Raymond
• Benefits
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Less cost (free)
Innovation
Bugs fixing
Long product life
Open Source Project
• Problems
– Service support
– Drivers for new hardware
Open Source Project
• Requirements
– Software to solve a general problem (OS)
– Small modular design
– A leader with technical and people skills for
coordination
– Reasonable time line
– Mailing list, newsgroup, web site and
discussion forums
Open Source Project
• Examples
– Apache web server
– Linux operating system
– Mozilla browser (Netscape
Agenda
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Types of Free Software
Open Source Project
Open Hardware Project
Impacts
Open Hardware Project
• Test in the university and research institutes
• Examples
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The Freedom CPU
Open Design Circuits
The Open Hardware Certification Program
The Open Hardware Specification Project
Agenda
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Types of Free Software
Open Source Project
Open Hardware Project
Impacts
Impacts
• From industrial age to information age
• Emphasizing the services (customizing and
consulting) not product sales
• Standardizing the hardware
• Lower the cost for duplication
• New open source community for project bid
Points to Remember
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Types of Free Software
Open Source Project
Open Hardware Project
Impacts