Leendert Van Maanen [aut, cre],
  Joaquina Couto [ctb],
  Hedderik Van Rijn [ctb],
  Mael Lebreton [ctb]

Kristian Hovde Liland [aut, cre],
  Lars Snipen [ctb]

Laurent Berge [aut, cre],
  Sebastian Krantz [ctb],
  Grant McDermott [ctb] (<https://orcid.org/0000-0001-7883-8573>),
  Russell Lenth [ctb]

Ambu Vijayan [aut, cre] (<https://orcid.org/0000-0001-8924-5685>),
  J. Sreekumar [aut] (<https://orcid.org/0000-0002-4253-6378>, ICAR -
    Central Tuber Crops Research Institute)

Bernard Gentili [aut],
  Jean-Pierre Gattuso [aut] (<https://orcid.org/0000-0002-4533-4114>),
  Robert W. Schlegel [aut, cre] (<https://orcid.org/0000-0002-0705-1287>)

David Luethi [aut],
  Philipp Erb [aut],
  Simon Otziger [aut],
  Daniel McDonald [aut],
  Paul Smith [aut, cre] (<https://orcid.org/0000-0002-0034-3412>)

Thomas Aspinall [aut, cre] (<https://orcid.org/0000-0002-6968-1989>),
  Adrian Gepp [aut] (<https://orcid.org/0000-0003-1666-5501>),
  Geoff Harris [aut] (<https://orcid.org/0000-0003-4284-8619>),
  Simone Kelly [aut] (<https://orcid.org/0000-0002-6528-8557>),
  Colette Southam [aut] (<https://orcid.org/0000-0001-7263-2347>),
  Bruce Vanstone [aut] (<https://orcid.org/0000-0002-3977-2468>),
  David Luethi [ctb],
  Philipp Erb [ctb],
  Simon Otziger [ctb],
  Paul Smith [ctb] (<https://orcid.org/0000-0002-0034-3412>)

Pascal Kerschke [aut, cre],
  Christian Hanster [ctb],
  Jan Dagefoerde [ctb]

Mátyás Mészáros [aut, cre],
  Matteo Salvati [aut]

Vittorio Orlandi [aut, cre],
  Sudeepa Roy [aut],
  Cynthia Rudin [aut],
  Alexander Volfovsky [aut]

Faicel Chamroukhi [aut] (<https://orcid.org/0000-0002-5894-3103>),
  Florian Lecocq [aut, trl, cre] (R port),
  Marius Bartcus [aut, trl] (R port)

Adrien Mazoyer [aut, cre],
  Remy Drouilhet [aut],
  Stephane Despreaux [aut],
  Bernard Ycart [aut]

Yangzhuoran Fin Yang [aut, cre]
    (<https://orcid.org/0000-0002-1232-8017>)

Xingguo Li, Tuo Zhao, Lie Wang, Xiaoming Yuan, and Han Liu

Jiena McLellan [aut, cre] (<https://orcid.org/0000-0002-5578-088X>),
  Michael Condouris [ctb] (<https://orcid.org/0000-0002-8862-4250>)