Open Source is a development method, offering practical accessibility to the source of a product.
Open Source Software can be changed, duplicated und multiplied without paying money for the license.

When the license agreement of a program or software is comparable to all oft the following three characteristics, it is called Open Source:

1.It’s allowed to change the Software and publish it in a changed form.
Open Source Software often is depending to changes, improvements and multiplications of other people.

2.For human beeings it’s possible to understand and read the source code.
Bevore the realease source codes often be converted to a binary form. This is neccessary because a computer cannot read the pure source code, but binary content can’t be read by a human beeing.

3The Software can be used as often as you want and also changed and published.
Open Source Software you can use as much as you want. Exactly the same it behaves to duplicating and changing. Contrary to normal software you don’t have to pay for the license agreement.