Probably the most complete up-to-date list: https://wiki.snowdrift.coop/market-research/other-crowdfunding https://wiki.snowdrift.coop/market-research/other-cro

Probably the most complete up-to-date list: https://wiki.snowdrift.coop/market-research/other-crowdfunding https://wiki.snowdrift.coop/market-research/other-crowdfundi... It includes all you listed and much more. It's on the wiki of a still-in-progress platform that actually plans a novel and potentially better model than all the other things, at least in terms of funding public goods without paywalls (many of these sites are paywall-focused, freemium projects with some public, some exclusive publications).