Perhaps I’m being 5tup1d but I think your describing open source soft in general. Linux and a lot of periphery that runs on Linux is open source so it did play a large role being that it’s not proprietary like Windows and windows adjacent soft.
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Hypertext Markup Language (is also known as html) is the standard markup language for creating web pages and web applications.
I don'r know what your trying to use? GIMP is a free photo editing software just upload it to photobucket.
Answer: The most important characteristic for the development of a civilization is the presence of advanced cities because they were centers of trade, which established economies and allowed for further development of the civilizations.
Explanation:
Your welcome :)