I don't have favorites, but Spritely is definitely an equal favorite for the projects we support at the Filecoin Foundation for the Decentralized Web. Others HNers may also be interested in include:

* Internet Archive's Democracy's Library https://blog.archive.org/2022/10/19/announcing-democracys-li...

* Distributed Press https://distributed.press/

* Guardian Project https://guardianproject.info/

* MuckRack Document Cloud https://muckrack.com/

* Harvard Library Innovation Lab https://lil.law.harvard.edu/

* Human Rights Data Analysis Group https://hrdag.org/data-publication/

Longer list here: https://ffdweb.org/explore/#partners