"Open source" is only a part of FLOSS (Free Libre Open Source Software) "Open source" is not enough.

What is Free Software? - GNU Project - Free Software Foundation

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they...

In the history of #bitcoin there has never been an era as bullish as this.

A fun fact from the world of software licenses: If a license includes a mandate to "use the software for good, not evil", the licence is not free since there's a restriction on usage and thus conflicts with the four essential freedoms which make software free.