Yu Zhou [cre, aut],
  Lan Wang [ctb],
  Ben Sherwood [ctb],
  Rui Song [ctb]

Roger Koenker [cre, aut],
  Stephen Portnoy [ctb] (Contributions to Censored QR code),
  Pin Tian Ng [ctb] (Contributions to Sparse QR code),
  Blaise Melly [ctb] (Contributions to preprocessing code),
  Achim Zeileis [ctb] (Contributions to dynrq code essentially identical
    to his dynlm code),
  Philip Grosjean [ctb] (Contributions to nlrq code),
  Cleve Moler [ctb] (author of several linpack routines),
  Yousef Saad [ctb] (author of sparskit2),
  Victor Chernozhukov [ctb] (contributions to extreme value inference
    code),
  Ivan Fernandez-Val [ctb] (contributions to extreme value inference
    code),
  Brian D Ripley [trl, ctb] (Initial (2001) R port from S (to my
    everlasting shame -- how could I have been so slow to adopt R!) and
    for numerous other suggestions and useful advice)

Michael Lipsitz, Alexandre Belloni, Victor Chernozhukov, Ivan Fernandez-Val

Wen-Ting Wang [aut, cre] (<https://orcid.org/0000-0003-3051-7302>),
  Wei-Ying Wu [aut],
  Toshio Honda [aut],
  Ching-Kang Ing [aut] (<https://orcid.org/0000-0003-1362-8246>)

Tobias Kley [aut, cre],
  Stefan Birr [ctb] (Contributions to lag window estimation)

Sebastian Letmathe [aut, cre] (Paderborn University, Germany)

Johan Barthelemy [aut, cre],
  Timoteo Carletti [aut],
  Louise Collier [aut],
  Vincent Hallet [aut],
  Marie Moriame [aut],
  Annick Sartenaer [aut]

Martin R. Smith [aut, cre, cph]
    (<https://orcid.org/0000-0001-5660-1727>),
  Andreas Sand [ant],
  Gerth Stølting Brodal [ant],
  Rolf Fagerberg [ant],
  Thomas Mailund [ant],
  Christian N. S. Pedersen [ant],
  Jens Johansen [ant],
  Morten K. Holt [ant]

Lucy D'Agostino McGowan [aut, cre]
    (<https://orcid.org/0000-0002-6983-2759>)

JJ Allaire [aut] (<https://orcid.org/0000-0003-0174-9868>),
  Christophe Dervieux [cre, aut]
    (<https://orcid.org/0000-0003-4474-2498>),
  Posit Software, PBC [cph, fnd]

Christian Hennig, Cinzia Viroli and Laura Anderlucci

Guillaume Voisinne [aut, cre] (<https://orcid.org/0000-0003-3922-2121>)