Eine kleine Liste …
• Apache License 2.0
• BSD 3-Clause License
• BSD 2-Clause License
• GNU General Public License (GPL)
• GNU Library General Public License
(LGPL)
• MIT license
• Mozilla Public License 2.0
• PHP License
• Artistic
• Eclipse Public License
• Beer-Ware License
• Pizza-Ware License
• …
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No License :(
• No requirement
• Default copyright laws apply
• You retain all rights to your source code and that
nobody else may reproduce, distribute, or create
derivative works from your work
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Namensnennung
CC BY
Keine Bearbeitung
CC ND
Nicht kommerziell
CC NC
Weitergabe unter
gleichen
Bedingungen
CC SA
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License switch
LGPL → MIT
GPL → LGPL
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Contribute
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Andy Grunwald
Software Engineer
Open Source
andygrunwald
@andygrunwald
@PHPUGDus
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Links
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Links
• OSI - Open Source Initiative
http://opensource.org/
• Year of open source
http://yearofopensource.net/
• Linux Kernel
https://www.kernel.org/
• Ubuntu Linux
http://www.ubuntu.com/
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Links
• Apache Web server
http://httpd.apache.org/
• MySQL database
http://www.mysql.com/
• Wordpress blogging platform
http://wordpress.org/
• Firefox browser
http://www.mozilla.org/en-US/firefox/new/
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Links
• Apache Hadoop Big Data Framework
http://hadoop.apache.org/
• XBMC - Open Source Home Theatre Software
http://xbmc.org/
• Open Source Hardware Association
http://www.oshwa.org/
• Arduino Micro controller
http://www.arduino.cc/
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Links
• Big Buck Bunny
http://www.bigbuckbunny.org/
• Nine Inch Nails - Ghosts
http://ghosts.nin.com/
• @asciidisco: „Today i merged“
https://twitter.com/asciidisco/status/449632205024010240
• Github-Commit "roketi/panel" inspired by
https://github.com/roketi/panel/commit/
1c0aa613cb3ee223351ab97f5465df0d719eb962
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Links
• Pull request "Revolution in Ukraine"
https://github.com/fre5h/DoctrineEnumBundle/pull/12
• @reykfloeter: Android / BSD sharing
https://twitter.com/reykfloeter/status/462509913147981824
• Ying und Yang 335/365 by Dennis Skley
https://www.flickr.com/photos/dskley/11148795446
• Githubs „Choose a license“
http://choosealicense.com/
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Links
• Creative Commons
http://creativecommons.org/
• @paddyforan: Fucking license
https://twitter.com/paddyforan/status/
456885308370731008
• Changing the VLC engine license to LGPL
http://www.videolan.org/press/lgpl.html
• Doctrine switches from LGPL to MIT
http://www.whitewashing.de/2012/05/26/
doctrine_goes_mit.html
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Links
• beberlei/license-manager
https://github.com/beberlei/license-manager
• CommitStrip: The truth behind Open Source apps
http://www.commitstrip.com/en/2014/05/07/the-truth-
behind-open-source-apps/
• @ffffux: Committed to the project
https://twitter.com/ffffux/status/461069035329683456
• @sigmavirus24: 90% of F/OSS is communication
https://twitter.com/sigmavirus24/status/
457625262348173313
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Links
• @irnnr: Fixed typo
https://twitter.com/irnnr/status/
451497261566922752
• @ralphtheninja: More open to collaboration
https://twitter.com/ralphtheninja/status/
456541985591918592
• Github
https://github.com/
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Further Links
• What is Open Source explained in LEGO
https://www.youtube.com/watch?v=a8fHgx9mE5U
• Contributing to Open Source on GitHub
https://guides.github.com/activities/contributing-to-open-source/
index.html
• nickdesaulniers: What Open Source Means To-Me
https://github.com/nickdesaulniers/What-Open-Source-Means-
To-Me
• Wie mache ich eigentlich Open Source?
http://www.magjs.de/2012-01/rehm/rehm.html