In this session, the presentor will share his experience with open source project contribution and becoming a committer. He will introduce Enlightenment Foundation Libraries project during this course and explain how/why he started the contribution. He will also share the advantages and disadvantages of adopting open source projects to the products - smart phones, smart TVs, smart watches, smart cameras, and etc. - Conference Link: http://www.krnet.or.kr/board/board.php?task=view&db=dprogram&no=2020&page=1&search=enlightenment&searchKey=subject&category=1083&pageID=ID13249498101

1. Contributing to
Enlightenment Foundation Libraries
Daniel Juyung Seo (seojuyung@gmail.com)
Google

2. Have you contributed
to open source projects?

3. What makes you
Contribute to
Open source?

4. Back in 2010...

5. Adopt EFL/Enlightenment
to LiMo platform

6. EFL
(Enlightenment Foundation Libraries)
UI Toolkit
Light-weight
Good performance
* https://www.enlightenment.org

7. EFL to a Mobile Phone
● Chose EFL instead of QT or GTK
● Light-weight, small footprint
● Better performing

8. Products & Softwares

9. ● Fork the upstream -> Modification -> Ship to the
device
● Migration upstream changes -> Modification ->
Ship to the device
Development Process

10. The migration was PAINFUL!
Need more EXPERTS!
Need Open Source Community support

11. One day…
The guy told me so.
Just Do It!

12. How did I start?
● Subscribe the mailing list
● Live in the IRC channel
● Ask questions
● Contribution

13. So What
Happened?

15. Project

16. So what happened?
● Better migration
● Better understanding of the code /
architecture
● More experts
● More resources

17. Advantage (Organization)
● Code quality
● More engineering resources
● Less money

18. Advantage (Personal)
fun, human resources,
technical support, more chances,
role models, personal resume,
learning English, ...

19. Disadvantage
(Organization)
● Slow feedback
● Unwanted direction
● Code security
● License, patent

20. Disadvantage (Personal)
● More work
● Work is not fun

21. What I learned

22. Again,
What makes you
Contribute to
Open source?

23. Thank you