andrew lee just seized over 700 channels on freenode because they mentioned libera.chat in their topic.
This includes projects like openbsd, wikimedia, FOSDEM, etc.
https://archive.is/uHw1g shows 720 channels that match what is being checked.
here's an example log: https://gist.github.com/pushcx/ab2a1d5b1d18e964c581ef18ccb3a79f
boost this if you care about foss in any way.
the mastodon instance at cybre.space is retired
see the end-of-life plan for details: https://cybre.space/~chr/cybre-space-eol