Robert J. Hijmans [cre, aut] (<https://orcid.org/0000-0001-5872-2872>),
  Jacob van Etten [ctb],
  Michael Sumner [ctb],
  Joe Cheng [ctb],
  Dan Baston [ctb],
  Andrew Bevan [ctb],
  Roger Bivand [ctb],
  Lorenzo Busetto [ctb],
  Mort Canty [ctb],
  Ben Fasoli [ctb],
  David Forrest [ctb],
  Aniruddha Ghosh [ctb],
  Duncan Golicher [ctb],
  Josh Gray [ctb],
  Jonathan A. Greenberg [ctb],
  Paul Hiemstra [ctb],
  Kassel Hingee [ctb],
  Alex Ilich [ctb],
  Institute for Mathematics Applied Geosciences [cph],
  Charles Karney [ctb],
  Matteo Mattiuzzi [ctb],
  Steven Mosher [ctb],
  Babak Naimi [ctb],
  Jakub Nowosad [ctb],
  Edzer Pebesma [ctb],
  Oscar Perpinan Lamigueiro [ctb],
  Etienne B. Racine [ctb],
  Barry Rowlingson [ctb],
  Ashton Shortridge [ctb],
  Bill Venables [ctb],
  Rafael Wueest [ctb]

Matteo Marcantonio [aut, cre],
  Martina Iannacito [aut, ctb],
  Elisa Marchetto [ctb],
  Elisa Thouverai [aut, ctb],
  Michele Torresani [aut, ctb],
  Daniele Da Re [aut],
  Clara Tattoni [aut],
  Giovanni Bacaro [aut],
  Saverio Vicario [aut, ctb],
  Carlo Ricotta [aut],
  Duccio Rocchini [aut, ctb]

Ilari Scheinin [aut, cre] (<https://orcid.org/0000-0002-4696-9066>)

Oscar Perpinan Lamigueiro [cre, aut]
    (<https://orcid.org/0000-0002-4134-7196>),
  Robert Hijmans [aut],
  Alexandre Courtiol [ctb]

Pedro Cardoso [aut, cre],
  Stefano Mammola [aut]

S.K. Morgan Ernest [aut] (<https://orcid.org/0000-0002-6026-8530>),
  James H. Brown [aut],
  Thomas J. Valone [aut],
  Michael J. Culshaw-Maurer [aut]
    (<https://orcid.org/0000-0003-2205-8679>),
  Ethan P. White [aut, cre] (<https://orcid.org/0000-0001-6728-7745>)

Daniel Caetano [aut, cre],
  Luke Harmon [aut]

Jeffrey Pullin [aut, cre, cph]
    (<https://orcid.org/0000-0003-3651-5471>),
  Damjan Vukcevic [aut] (<https://orcid.org/0000-0001-7780-9586>),
  Lars Mølgaard Saxhaug [ctb] (<https://orcid.org/0000-0001-5084-1578>)

Daniele Giardiello [cre],
  Piero Quatto [aut],
  Enrico Ripamonti [aut],
  Stefano Vigliani [ctb]

Mauricio Olivares [aut, cre],
  Ignacio Sarmiento-Barbieri [aut]