Open SourceThe Future of Software

• Open-source software is computer software whose source code is available under a copyright license that permits users to study, change, and improve the software, and to redistribute it in modified or unmodified form.

• Open source licenses define the privileges and restrictions a licensor must follow in order to use, modify or redistribute the open source software for example GNU General Public License (GNU GPL)

Pros• It’s Free! for general usage• Less bug and more Stable

(not all)• Cross-PlatformCons• No user support• Less secure• Less efficiency• User Interface may not

attractive

Source Code Revision Control

Concurrent Version System (CVS)

• manage the files of a project when several people are working on the project at the same time

• Client – Server Architecture • Netbeans, Eclipse, Intellij

IDEA are support too! (Plug-in)

Sample

How OSS will be affect to user?

• Have you ever heard these ? Linux, FreeBSD, PHP, Apache, Mozilla Firefox, LAME or BitTorrent (Client)

• Many people will be tend to use it more because of their proposition.

Let’s Begin

Adobe Photoshop vs. Gimp

• Intellij IDEA vs. Eclipse vs. Netbeans (Java IDE)

Let’s use Open Source Software

Open Source Rules!

• Starting by using Linux

References

• http://www.Wikipedia.org

• http://www.Sourceforge.net

• http://www.nongnu.org/cvs/

• Sarawat Kitsinthopchai

4931591621

• Krisa Chaijaroen

4931406221

http://kus31.info/tmp/open.ppt