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Is it possible to list all installed applications/packages that are not open source?

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The program vrms will do this. Run sudo apt-get install vrms, and then run vrms. This identifies which programs are free/open source by seeing which repository they were installed from. However it will ignore programs you installed by just downloading a .deb file from the web, as they are not from any repository.

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  • Sounds good, but it's not clear enough for me: ` 7 non-free packages, 0.3% of 2061 installed packages. 3 contrib packages, 0.1% of 2061 installed packages.` What does this mean? The other packages are free or not? Also is free === open source? Mar 16, 2014 at 10:53
  • Free to all intents and purposes == open source. Free actually implies slightly more than open source, but for this it's almost the same thing. So that output tells you that you have 7 completely non open source packages. 3 open source packages that require non open source packages to to be installed and all the other packages are completely open source/free. Mar 16, 2014 at 11:00
  • I don't see anything related to googletalk-plugin. Does it mean that it's open source? Mar 16, 2014 at 11:08
  • Actually I think not, the only way of seeing if a program is open source is to see what repository it is from. googletalk-plugin is from an externally downloaded .deb, so the software doesn't know about it. Mar 16, 2014 at 11:10
  • Yeps, but which is the alternative to see all applications (including the ones installed from an externally .dev file)? Mar 16, 2014 at 11:18

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