Linux Thunderbird Firefox LibreOffice Umbrel (Nextcloud, nostr relay, photoprism...) And many many more!
http://fossforce.com/wp-content/uploads/2017/07/RMS.jpg
Open Source appears to be more sexy today .Haha :-)
yeah.. open source is supported by big company like google, facebook, microsoft, etc. because its more profitable.. they can suck the code and make it closed proprietary software. free software like punk as subcultural, and open source like punk as fashion style all free software is open source software, but not all open source software is free software