Slides for my talk "Open Source is good for you" at ACCU 2012. With this talk, I tried to introduce open source to people working in a closed source environment - especially those that may be afraid of open source. Therefore, the talk simplifies things a bit and also tells people to stay away from the GPL for now, as the licence implications may get you into trouble in such an environment. Note: I'm not advocating against the GPL. In fact, I'm involved in an open source project that's released under the GPL. All I'm saying here is that if you try to "sneak" the idea of open source into a corporation, the GPL is probably not the sort of licence you want to start with.

1. Open Source
is good for you
Dirk Haun, ACCU 2012

3. We need
software
that does X ...

4. write it yourself ...

5. buy /
licence

6. Open Source

7. Stop
reinventing
the wheel!

9. Benefits of Open Source?
less vendor dependency 44%
lower cost 22%
better customization 17%
better security 3%
no advantage 14%
0 10 20 30 40 50
www.computereconomics.com, "not a scientific sample"

10. You
could benefit
from
other people's
work*
* by following some
simple rules

11. Let's talk about ... Licences

12. proprietory Open Source

13. copyleft permissive

14. proprietory
GPL
OS licences
BSD,
LGPL Apache,
etc.

16. look for an OSI-approved licence
&
avoid anything with "GPL" (for now)

21. @dirkhaun
•Start with something small
•Pick an OSI-approved licence
•Avoid the GPL (for now)

22. Credits
Presentation: Dirk Haun,
Tag cloud made with Wordle, based on a list from OSS Watch
Photos via Flickr, in order of appearance:
"Sweet Summer Rainbow Fruit Salad" by D. Sharon Pruitt,
"Black Sheep vs White Sheep" by Leon Riskin,
"01 (227)" by Victor1558,
"Typing" by Sebastien Wiertz,
"£50" by Images Money,
"return undefined;" by nyuhuhuu,
"the shoe wheel bike" by emerson12,
"I want you to be an Open Source Developer" by Lenz Grimmer,
"Condoms" by Robert Elyov,
"thumbs up" by anthony kelly,
"Thank you" by Margherita J. L. Lisoni