1. Open Source Nijjwal Shrestha CETES, Tech Night October 21, 2014

2. Topics I. What exactly is open source? II. Why should you care about it ? III. Where can you find them? IV. Comparison of some popular open source software with proprietary software. V. Open source software I use at my work and my repository. VI. Business prospective of open source software, where these software are being used. VII. Why open source software is not popular compared to vendor software? VIII. Some interesting projects made with open source software.

3. I. What is an open source software?

4. Recipe of coke

5. What is an open source cont.. A. Software whose code is available for everyone to see, modify, customize and use it without paying anything. B. Show actual code and explain a mistake for addition. C. Show exe file and explain. D. What software vendors provides E. Errors in huge proprietary software could be hard to fix because there could be millions of lines of code and there will be limited number of people

6. II. Why should you care about open source? A. Why I care about open source? B. Open source software runs smoothly. C. Errors and security flaws are fixed instantly -> Correct output and more secure and reliable system. D. Saves time (blueprint) because you can extend it. E. Saves time and money because you don’t have to fix F. Not everyone is tech-savvy, they might not be able to fix problems.

7. III. Where can you find open source software? Opensource.org Github.com From their website

8. IV. Comparisons Linux vs. Windows Advantages: -Very few viruses compared to Windows -Linux is faster than Windows -Comes with Apache Open Office -Easy installation, can be installed side-by-side along with windows

11. Disadvantages -Not completely immune to viruses https://help.ubuntu.com/community/Antivirus -Cannot run software made for Windows

12. Solution: Wine

13. (Drupal,Wordpress, Joomla) Vs. Traditional Programming -Open Source Content Management System Gimp vs. Photoshop -Gimp is similar to Photoshop. jBPM vs. Silkroad -Saves thousand of dollars -One person in a company can get employment instead of paying money to a software company Internet Explorer vs. Firefox V. Open source software I use at work

14. VI. Where are these software used? Linux is used in Servers, Banks, Universities, Companies and lots of other companies http://www.comparebusinessproducts.com/fyi/50-places-linux- running-you-might-not-expect Drupal is used by White House, Amnesty International, Harvard University, The Economist, American Red Cross and others. https://groups.drupal.org/government-sites http://drupalshowcase.com

15. Wordpress Users: The New York Times, CNN, Ebay, and others http://en.wordpress.com/notable-users/

16. VII. Can I make money by learning Open Source Software? Yes Indeed statistics Senior Drupal Developer Wordpress Developer Linux System Administrator jBPM developer

17. VIII. Why is it not so popular? Advertisement Computer comes pre-shipped with these vendor software pre-installed Business

18. Interesting Projects made with Open Source Software Arduino http://www.youtube.com/watch?v=UoBUXOOd LXY

19. Conclusion Reliable, secure, fast, and free