[fsflover]

One possibility is to donate to Free Software Foundation [0]. They are very efficient [1] and they support many FOSS projects [2].

[0] https://www.fsf.org/

[1] https://www.charitynavigator.org/index.cfm?bay=search.summar...

[2] https://directory.fsf.org/wiki/Free_Software_Directory:About