Free / Open Source Software

Lightning Talk

@ ouropensource

me@gbraad.nl

Who am I

Software / Hardware Engineer

● employed as an IT Consultant● experienced in F/OSS community and development● teaching techniques and methodologies● G-Star, Dutch Ministry of Defence, Nomovok

● Fedora Project (FAmSCo), Mozilla, 气 (qi) Hardware

● Scrum, OOAD & Domain Driven Design, etc.● The Open Source Way

吉拉德 , 开源软件专家 & IT 咨询顾问 , me@gbraad.nl

Early history

● Unix● 1970 – 1990● Richard Stallman wants a 'free' Un*x clone● writes the GPL (license)

– 4 freedoms

● Free Software Movement– Free Software Foundation

Four essential freedoms

● Freedom 0● To run the program, for any purpose

● Freedom 1● To study

● Freedom 2● To redistribute

● Freedom 3● To distribute modified copies, under the same terms● Access to source is needed (freedom 0, 1 and 2

apply)

Rise of Linux

● Linux● 1990 – Now● Linus Torvalds use GPL; 'It won't be big

announcement'● Linux gets sold commercially

– Red Hat, Novell– Adoption by enterprise market

● Usage of the word 'free' is ambiguous– Eric S Raymond, Red Hat, et. al introduce a new term– Open Source

Open Source

● Refers to the freedom to study● Source code is 'freely' available to see

● Red Hat starts selling support contracts for OSS

Tainted term

● Cultural issues between the usage of the terms 'free' and 'open'● Needless discussions

● Open Core● Open Source for the core, add-ons are

commercially sold● Often the licensing is not ideal to use the core for

other projects

● Commercial vendors FUD* * Fear, Uncertainty and Doubt

Open, beyond Source

● Open Source is mostly an ideal; way of thinking● Promotes collaboration/sharing of ideas● Licensing promotes re-use of material

– Creative Commons (Lawrence Lessig)

● Open Education is a good example● OpenCourseWare (MIT)● Wikipedia (WikiMedia foundation, uses CC)● TeachingOpensource.org

● Open Source Way (http://theopensourceway.org)