Partial category listing, top-listed groups within each.
(Members in parenthesis)
Activism: QAnon+++ (2,572), PATRIOT PREPPERS USA (2,430), Deplorables Republic (2,48), The War Drummer (1,898), Patriots for a United America. (1894), Anonymous (1,700).
Education: Q-Anon Patriots (1,616), InfoWars.com (1,217), Constitutional Liberty for All (907), Prepping, Homesteads skills and Community (887), Shamanic Community (756), Truther Talk (665).
Fraternities: Freemasonry (1072), Brotherhood of the Blade (313), Proud Boys Canada (74).
History: 9/11, False Flags, & NWO Truth (1,872), The American Cowboy (1,065), "This Day in History" by Tara Ross (590).
News: Judge Jeanine Pirro has Fans (7,808), Qanon News (3,466), Unfiltered News (2,913).
Politics: Donald J. Trump 2016 - Present (11,486), The Conservative's Hangout (8,345), Qanon Follow The White Rabbit (5,600), Drain The Swamp (4,978), Libertarians (4,528), United We Stand Trump2020 (4,216).
Recreation: Everything Reloading (3,252), Redeye Reloading (1,980), Fishing (1,549).
Self-Directed Learning: @ Exposing the Matrix of Lies (997), WAKE THE FUCK UP (474), Wake the Fuck Up. The Next Dimension (287). WTFU when SHTF (126).
Social Change: Armed with Truth and Knowledge (1,986), VEGANS UNITE (766), ACTIVISM universal headlines ~❉~ (729), Meet Earth's Cosmic Neighbors (MECN) (663).
This is only a partial sampling.