Martus is an interesting case study in the sustainability of human rights software tools:
https://benetech.org/martus-sunsets-human-rights-data-collection/
also:
It sounds like security vulnerabilities in SSL, changing Java APIs, & the sheer weight of maintaining 370,458 lines of Java were a significant factor. The shifting landscapes of funding & new approaches also seemed to play a part.
It’s good to see open discussion of the issues.