“Masked men from ICE showed up one April morning, and it all stopped. The kids couldn’t leave their homes. Our weekly classes stopped,” said Vu, a Sid Richardson College freshman. “Week after week, I would hear word of another family who left without a word. We made [the map] a few weeks later.” The website, icemap.dev, tracks ICE-related news incidents in individual counties, as well as immigrant detention facilities with documented health and security inspection failures.

None of these are the same thing. ICE List is a wiki, all the others are crowdsourced reports. This one is:
There’s no problem with decentralization if the data used is all the same. In fact, it provides for a credible exit.