Oss

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What will I buy for my PC?

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$319.95

$679.95

$999

Le Anh Quang Nguyen Van Minh

Bach Duy Tung

Nguyen Ngoc Hieu

I. Definition and Examples II. Advantages and Disadvantages III. Chances and Challenges IV. Conclusion

I. Definition and Examples II. Advantages and Disadvantages III. Chances and Challenges IV. Conclusion

Definition Open source software (OSS) is defined as computer software for which the source code and certain other rights normally reserved for copyright holders are provided under a software license that meets the Open Source Definition or that is in the public domain. This permits users to use, change, and improve the software, and to redistribute it in modified or unmodified forms. It is very often developed in a public, collaborative manner.

Definition Open Source software - Source code is available to all - Free to use, modify, and re-distribute the source code

Freeware

Shareware

- Can not access to the source code - Free to download, use, and copy

- Can not access to the source code - Free to download and try; pay for use, and copy

Examples Mozilla Firefox: web browser Firefox had 22.05% of the recorded usage share of web browsers as of March 2009, making it the second most popular browser in terms of current use worldwide.

Examples

OpenOffice.org (OOo): office application Commonly known simply as OpenOffice, is an office application suite available for a number of different computer operating systems. As of March 2009, OpenOffice supports over 80 languages.

Examples

Linux: operating system Their development is one of the most prominent examples of free and open source software collaboration; typically all the underlying source code can be used, freely modified, and redistributed by anyone under the terms of the GNU GPL and other free licenses.

Examples Apophysis: fractal flame editor Apophysis has many features for creating and editing fractal flames, including an editor which allows one to directly edit the transforms that comprise the fractal flame.

Examples

UniKey: character sets & encoding Unikey will allow you to type any text in the Vietnamese language using your Windows interface.

Examples GIMP: Image editor GIMP used to process digital graphics and photographs.

Examples VLC media player VLC is a portable multimedia player, encoder, and streamer supporting many audio and video codecs and file formats as well as DVDs, VCDs, and various streaming protocols.

Examples Songbird: media player and web browser Songbird employs Mozilla's XULRunner platform, and is thus capable of running on Microsoft Windows, Apple Mac OS X, Solaris and Linux. Songbird utilizes the GStreamer media framewor

I. Definition and Examples II. Advantages and Disadvantages III. Chances and Challenges IV. Conclusion

Advantages a. Almost free and can replace commercial softwares b. Legality and Safety c. Frequent update

Advantages a. Almost free and can replace commercial softwares Microsoft Windows Vista $319.95

Microsoft Office 2007 Adobe® Creative Auite 4 Master Collection

Internet download manager $679.95

Adobe After Effects

$2,499

$23.5/1pc/year

Kapersky Internet security

$999 $599

Nero 9 $699 $399

$59.95/1pc/year

$150

ACD see

$999

Adobe Flash Professional Adobe Dreamweaver

$24.95

Bitdefender Total sercurity

Adobe Photoshop Adobe Illustrator

$249.95

Proshow producer

Winrar

$99.99 $29

Advantages b. Legality and Safety

Advantages c. Frequent update - Takes short time to find out bugs, security holes and fix them - Safety - More functions

Disadvantages Not all of the open source softwares are perfect

Although Firefox is much safer, faster, better than IE, IE is the most used web browser

I. Definition and Examples II. Advantages and Disadvantages III. Chances and Challenges IV. Conclusion

Changes OSS are now used more and more widely in schools, offices and even goverments Nowaday, developing OSS is getting more attention, first and foremost information technology students OSS is the best solution for finance problems of poor and developing countries

Challenges Habit of using cracked softwares instead of buying licenses or chosing another solution Many people think that free means not good With the same functions, a commercial softwares is the first choice for users

I. Definition and Examples II. Advantages and Disadvantages III. Chances and Challenges IV. Conclusion

Conclusion

Good

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Bad

Are you ready to replace commercial softwares by OSS?

Questions?

Thanks for your attention! Good bye!