What is free software?

Free software is software that respects the user’s freedom: The freedom to share, copy, modify and improve the software

One common license used for free software is GPLv3. It uses the idea of copyleft:

Developers who write software can release it under the terms of the GNU GPL. When they do, it will be free software and stay free software, no matter who changes or distributes the program. We call this copyleft: the software is copyrighted, but instead of using those rights to restrict users like proprietary software does, we use them to ensure that every user has freedom.

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Why is Mindfulness at the Computer free software?

We wanted to make an application that is available cost-free (gratis) and where anyone can study, copy and improve the code if they wish

Learn more

Have a look at these links for more information.