The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Algeria (1 member)
- All portals (2 members)
- All the News that's Fit to Sing (15 members)
- Alt-right (9 members)
- Alternative Media (6 members)
- Alternative energy (1 member)
- Alternative journalism organizations (10 members)
- Alternative social media platforms (5 members)
- Ambassadors of the United States to France (1 member)
- American Marxists (0 members)
- American journalists (0 members)
- American news websites (1 member)
- American socialists (2 members)
- American universities (1 member)
- Anarchism (3 members)
- Anarchism in the United States (2 members)
- Anarchist communities (3 members)
- Anarchists (4 members)
- Anarcho-capitalism (2 members)
- Anarcho-capitalists (3 members)