If you use FOSS then donate or the developer might have to pivot into adware. Or abandonware.
If the HN crowd can’t afford to financially support the FOSS they use then who will? You’re a huge group of SV types. Probably amongst the top representation of shareholders in some of the most valuable companies on the planet. Feel shame if you’re not supporting the tech ecosystem supporting your literal bottom line.
Or show that you’re an actual entrepreneur/capitalist and provide the pricey RH style support of whatever it is and make it official.