@Di4na The 2016 Eghbal report [1] is very good; pp 120+121 are interesting about GitHub before the MS #EEE.
@forgefed #ForgeFed [2] - could you remind us of a good URL on ForgeFed funding (NLNet?) as a real-world example of funding FOSS?
@khinsen @civodul might have some good links on the current status of other EU-based initiatives towards sustainable incomes for FOSS developers/maintainers.
[1] https://www.fordfoundation.org/work/learning/research-reports/roads-and-bridges-the-unseen-labor-behind-our-digital-infrastructure (pdf archive: https://web.archive.org/web/20221225103314/https://www.fordfoundation.org/media/2976/roads-and-bridges-the-unseen-labor-behind-our-digital-infrastructure.pdf)