So I assume that all of those websites and Facebook pages (including the ones where they announce where they will be rioting) are the result of pixie dust and unicorn farts, right???
About a week ago when I first heard about Antifa, I did some research and found there was one site which laid claimed to Antifa. It was under construction and most of the links did not work. Today there are multiple groups claiming to be Antifa. Antifa is a pseudo name for anti-fascist. It exist in the same way that white supremacy or Neo Nazi groups exist. Antifa is a name for any number of anti-fascias groups. There is no such organization; that is there is no national headquarters, paid employees, nor any assets. If Trump continues to talk about it, I'm sure one of these groups will get it together and organize. Below is a fairly complete list of Antifa groups. As you can see antifa organizations include racist, anti-racist, religious, nationalist, and political groups with very different agendas and goals so it would be almost impossible to have a single organization represent them all.
en.wikipedia.org
The topic is specifically ANTIFA. NOT, a category list of antifascist organizations. Your attempt at deflection is disgusting. Yours is nothing more than as if someone asked for a list of the military. Thousands of military organizations exist for thousands of reasons. Now if I narrowed it down to the United States Army, the definition would be specific.
Antifa (
/ænˈtiːfə, ˈæntiˌfɑː/)
[1] is a predominantly
left-wing,
[2][3][4][5] anti-fascist political activist movement in the United States
[11][16] comprising a diverse array of
autonomous groups that aim to achieve their objectives through the use of
direct action rather than through policy
reform.
[17][18][19][20] Antifa activists engage in protest tactics such as digital activism and militancy, involving property damage, physical violence and harassment against fascists, racists and those on the far-right.[25]
Individuals involved in the movement tend to hold
anti-authoritarian[26] and
anti-capitalist views,
[27] subscribing to a range of left-wing ideologies such as
anarchism,
communism,
Marxism,
social democracy and
socialism.
[28][35] Both the name
antifa and the logo with two flags representing anarchism and communism are derived from the German
Antifa movement.
[36]
[...]
Movement structure
Antifa is not a unified organization but rather a movement without a hierarchical leadership structure, comprising multiple autonomous groups and individuals.
[22][41][45] The movement is loosely affiliated
[20] as it has no chain of command, with antifa groups instead sharing "resources and information about far-right activity across regional and national borders through loosely knit networks and informal relationships of trust and solidarity".
[46]
Activists typically organize protests via social media and through
websites.
[47] Some activists have built peer-to-peer networks, or use encrypted-texting services like
Signal.
[48] Chauncey Devega of
Salon described antifa as an organizing strategy, not a group of people.
[49]
The antifa movement has grown since the
2016 United States presidential election. As of August 2017, approximately 200 groups existed, of varying sizes and levels of activity.
[50]
[...]
en.wikipedia.org
Identical to the structure of ISIS and other terrorist organizations.