1. 
   Free and open source software
   Free and open-source software (F/OSS, FOSS) or free/libre/open-source software (FLOSS) is software that is both free software and open source. It is liberally licensed to grant users the right to use, copy, study, change, and improve its design through the availability of its source code. This appr...
   Found op http://en.wikipedia.org/wiki/Free_and_open_source_software
   
   
2. 
   free open-source software
   free software
   Found op http://foldoc.org/free+open-source+software
   
   
3. 
   free software
   (software) Software that everyone is free to copy, redistribute and modify. That implies free software must be available as source code, hence 'free open source software' - 'FOSS'. It is usually also free of charge, though anyone can sell free software so long as they don't impose any new restrict...
   Found op http://foldoc.org/free+software
   
   
4. 
   Free software
   Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients have the same r...
   Found op http://en.wikipedia.org/wiki/Free_software
   
   
5. 
   Free statistical software
   In this article, the word free generally means can be legally obtained without paying any money (cf. free beer). Just a few of the software packages mentioned here are also free as in the sense of free speech: they are not only open source but also free software in the sense that the source code of...
   Found op http://en.wikipedia.org/wiki/Free_statistical_software
   
   
6. 
   Freely redistributable software
   Freely redistributable software is software that anyone is free to redistribute. The term has been used to mean two types of free to redistribute software, distinguished by the legal modifiability and limitations on purpose of use of the software. FRS which can be legally modified and used for any ...
   Found op http://en.wikipedia.org/wiki/Freely_redistributable_software
   
   

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