[throwaway0071]

Let's not forget companies that provide free services to open source projects.

[celeritascelery]

Such as?

[saganus]

I believe Netlify[0] does that, and I've heard of others but can't remember right now.

Edited to add a link

[0]https://www.netlify.com/open-source/

[davidjnelson]

Jetbrains offers free intellij licenses for open source. Sauce Labs and Browserstack offer free selenium vm’s for open source too.