Contributing to Enlightenment Foundation LibrariesDaniel Juyung Seo (seojuyung@gmail.com)Google

Have you contributedto open source projects?

What makes you

Contribute to

Open source?

Back in 2010...

Adopt EFL/Enlightenment

to LiMo platform

EFL(Enlightenment Foundation Libraries)

UI Toolkit

Light-weight

Good performance

* https://www.enlightenment.org

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

Products & Softwares

● Fork the upstream -> Modification -> Ship to the device

● Migration upstream changes -> Modification -> Ship to the device

Development Process

The migration was PAINFUL!

Need more EXPERTS!

Need Open Source Community support

One day…

The guy told me so.

Just Do It!

How did I start?

● Subscribe the mailing list● Live in the IRC channel● Ask questions● Contribution

So What Happened?

Project

So what happened?● Better migration● Better understanding of the code /

architecture● More experts● More resources

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

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

Disadvantage (Organization)

● Slow feedback● Unwanted direction● Code security● License, patent

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

What I learned

Again,

What makes you

Contribute to

Open source?

Thank you