Mentioning The Society Library here (the org I work with) as a part of this network.

Here's a list of comparable orgs or argument-mapping tech that some projects rely on/tinker with:

https://docs.google.com/spreadsheets/d/1zn7tbKfkeX14FNtgrYGGD1QJ5znslr0taAPPIM_lzYQ/edit?usp=sharing