The CFS site is designed to cater to those requirements – good quality, genuinely free software (freeware) which has been checked and rated – programs I use and ones which you will want to use too. While descriptions are brief, there is usually much more information in the CFS Program Review and on the program’s homepage (where the link will usually take you).
The Free Software Foundation encourages selling free software. As the Foundation has written, "distributing free software is an opportunity to raise funds for development. Don't waste it!". For example, the FSF's own recommended license (the GNU GPL) states that "[you] may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a fee."
Google built Hangouts into its services as a replacement for the Google Talk messaging service, but Hangouts adds voice and video calls. It's unique for this roundup in that it doesn't require an installer, it just works in your browser (though getting the Chrome Extension is recommended). It's perfect for talking to other people on Google—you can get up to nine people in a video chat, all for free.
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