Interesting in this context is completely divorced from morally good/bad. Could be any group from any area at any time in history. I’ll start with a few, followers of the cult of pythagoras, contemporary black Hebrew Israelites, antiracist skinheads and the Amish (neo-luddites in general). Don’t be racist or a prick to other people discussing.
Yea, they were an example of early anti-capitalist organization. Their biggest weakness was identifying the means of production as their enemy, not the owners of capital themselves, which became a valuable lesson for future organizers.