Whether you choose Linux, Windows or Mac, there are numerous free & open-source software (FOSS) applications available that do the same thing as the expensive software you may be used to. Here are some highly-recommended alternatives.
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The terms free software and open source software do mean different things, though the categories of software they refer to are almost exactly the same.
Free Software is Open Source Software that is free of both cost and restrictions.
Open Source allows the coder more control over his program compared to Free Software.
Open Source software can work with other proprietary software, while Free Software does not allow the same.
Adapted from http://www.differencebetween.net/technology/difference-between-open-source-and-free-software/
Free Open Source Software for Audio / Video / Multimedia applications.
Free Open Source Software for Internet & Web applications.
Free Open Source Software for School & Research.
Free Open Source Software for Businees & Office applications
Free Open Source Software for Games..
Free Open Source Software for Operating Systems & Desktops.
Free Open Source Software for Editing and Managing Images & Photos.
Free Open Source Software for Managing Computers.
Free Open Source Software for Programmers & Web Builders.
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