Definition: Open source refers to a paradigm according to which knowledge is generally open and usable for everyone. In a narrower sense, this refers to computer programs and tools whose program code is freely accessible to anyone interested.
Where can you find open source?
Open source software systems can typically be downloaded from the web free of charge and used free of charge. Well-known representatives of corresponding license models in this environment are GNU, GPL and the Apache license.
The use of these systems can make sense where overall IT costs need to be reduced. Increasingly, the use of open source is also being discussed and considered to increase IT security. The opposite of open source is proprietary licensing models, which typically prohibit unauthorized persons from viewing the source code of the computer application in question.
How has open source developed in recent years?
The beginnings of free software were made by hackers in the 60s and 70s of the last century. One example was the Netscape Navigator, which released its code due to excessive competitive pressure. This later became Mozilla Firefox.
Other examples of open source software are Linux (operating system), OpenOffice or LibreOffice (office suite), GIMP (image editing), Blender (3D animation), Drupal (content management system) or Android (smartphone operating system).
What are the prospects?
The desire for freedom in terms of knowledge and information will continue and cover more areas. Free software is already helping to narrow the gap between rich and poor, between privileged and underprivileged: Linux/ubuntu-powered computers in 3rd world countries are helping to educate young people. Program alternatives for young companies reduce costs. And the joint further development of the software makes open source a global, collaborative platform.
How can open source be financed?
Projects in the open source environment are often supported and made possible by voluntary work and financial donations. In many cases, these projects also serve as the basis for commercial software.
How can I get involved?
You can participate through financial support or volunteer work. For more information, we recommend https://opensource.org/.
Further links:
https://de.wikipedia.org/wiki/Open_Source
http://www.bpb.de/gesellschaft/medien/opensource/
The following video goes into more detail about open source:
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