Edit in nano later.
The federated anonymous imageboard channel -
http://overchan.oniichan.i2p
http://g7c54d4b7yva4ktpbaabqeu2yx6axalh4gevb44afpbwm23xuuya.b32.i2p
http://ucavviu7wl6azuw7.onion
http://oniichanylo2tsi4.onion
https://gchan.xyz/ - registered in panama
https://i2p.rocks/ib/ - registered in panama
https://2hu-ch.org/ - registered in canada
http://nsfl.tk/ - registered in america
Centralized anonymous textboard channels -
http://4-ch.net/4ch
http://afternoon.dynu.com/letterbox.html
http://secretareaofvipquality.org/saovq/
http://tablecat.ipyo.heliohost.org/lounge/
http://bbs.progrider.org/lounge/
http://bbs.progrider.org/prog/
http://sageru.org/index.html
http://tablecat.ipyo.heliohost.org/perl/
Centralized anonymous imageboard channels -
http://www.idlechan.net/b/index.html
https://8ch.net/b/index.html
https://7chan.org/b/
https://8ch.net/tech/index.html
http://www.krautchan.net/
http://www.idlechan.net/yuu/
https://ib.axypb.net/azu/index.html
http://www.1chan.net/rail/
http://bunbunmaru.com/wakaba/
Community things ("resources"? pick better name later)
http://aachan.sageru.org/
http://tanasinn.info/wiki/Main_Page
http://world2ch.org/wiki/doku.php
http://viptronic.org/
https://wiki.installgentoo.com/index.php?title=Main_Page
http://4chanlit.wikia.com/wiki/
https://github.com/bibanon/bibanon
https://github.com/bibanon/everything-shii-knows
http://bibanon.org/
https://github.com/majestrate/nntpchan