Redis is still 'free as in beer', unless you are operating a bar and want to profit off of the free beer someone else produced, then it's not 'open source', but

Redis is still 'free as in beer', unless you are operating a bar and want to profit off of the free beer someone else produced, then it's not 'open source', but somehow you can still get the source as it remains 'source available'. Did I get it right?