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Python Package Index

Python Software Foundation License

Python Software Foundation

QEMU

Qt Extended

RapidMiner

Ratpoison

Razor-qt

Readahead

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RPM Package Manager

RubyGems

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Sabayon Linux

SCO–Linux disputes

Scribus

Simple DirectMedia Layer

Seasar

Slony-I

Slrn

Software Freedom Law Center

Software in the Public Interest

SpatiaLite

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