Intersect Contribs
Wikimedia Tool Labs — Pietrodn's tools.

This tool intersects the contributions of two or more users on a given WMF project, showing the pages edited by all of them.
It can help in discovering sockpuppets.

Update: On 2016-04-05 I updated the tool to support the intersection of the contributions of multiple users. Unfortunately, to handle this in a reasonable way, I had to change the format of the URL parameters. The old URL format ("user1" and "user2") is still supported, but eventually this will be removed.
This means that existing links to the tool referring to a specific couple of users will be broken.
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Elapsed time: 5 s

Results

29 results found.
  1. Acadêmicos de Santa Cruz
  2. Acadêmicos de Vigário Geral
  3. Acadêmicos do Campo do Galvão
  4. Barroca Zona Sul
  5. Boêmios de Inhaúma
  6. Catuaba (bebida)
  7. Combinado do Amor
  8. Delírio da Zona Oeste
  9. Flor da Mina do Andaraí
  10. Império de Casa Verde
  11. Independente de Boa Vista
  12. Jabuti
  13. Jabuti-piranga
  14. Lei seca nos Estados Unidos
  15. Mancha Verde
  16. Mocidade Independente de Inhaúma
  17. Nove de Julho (escola de samba)
  18. Paulo César Feital
  19. Prata Preta
  20. Resultados do Carnaval do Rio de Janeiro em 2009
  21. Rosas de Ouro
  22. Sereno de Campo Grande
  23. Tom Maior
  24. União de Jacarepaguá
  25. União de Rocha Miranda
  26. X-9 Paulistana
  27. Ximbinha
  28. Zumbi dos Palmares
  29. Águia de Ouro