Yingcun Xia [aut],
  Weiqiang Hang [aut, cre]

Alec S. Chu [aut],
  Philip D. Kiser [aut, cre]

Connor Mayer [aut, cre],
  Kie Zuraw [aut],
  Adeline Tan [aut]

Furong Sun [aut, cre],
  Robert B. Gramacy [aut]

Zhenyu Wang [aut, cre],
  Zijian Guo [aut]

Zaheer Ahmed [aut, cre, cph],
  Jan Schepers [ctb],
  Uwe Ligges [ctb],
  Alberto Cassese [ctb],
  Gerard van Breukelen [ctb],
  Katja Ickstadt [ctb],
  Edmund Wascher [ctb]

Ott Toomet [aut, cre],
  Arne Henningsen [aut],
  Spencer Graves [ctb],
  Yves Croissant [ctb],
  David Hugh-Jones [ctb],
  Luca Scrucca [ctb]

Richard Chandler [aut],
  Andy Royle [aut],
  Roeland Kindt [cre, aut] (ORCID:
    <https://orcid.org/0000-0002-7672-0712>)

Julien Neves [aut],
  Jean-Marie Dufour [aut, ths],
  Gabriel Rodriguez-Rondon [cre]

Sónia Surgy [aut, cre],
  Jorge Cadima [aut],
  Elsa Gonçalves [aut]

Cinzia Franceschini and Nicola Loperfido

Yuri Nagornov [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-7935-6776>)

Jonathan Callahan [aut, cre],
  Eli Grosman [ctb],
  Spencer Pease [ctb],
  Thomas Bergamaschi [ctb]

Jonathan Callahan [aut, cre],
  Eli Grosman [ctb],
  Oliver Fogelin [ctb]

Jonathan Callahan [aut, cre],
  Hans Martin [aut]

Jonathan Callahan [aut, cre],
  Rachel Carroll [aut],
  Eli Grosman [aut]

Jonathan Callahan [aut, cre],
  Rachel Carroll [aut],
  Eli Grosman [aut],
  Roger Andre [aut],
  Tom Bergamaschi [aut],
  Tina Chen [aut],
  Ruby Fore [aut],
  Will Leahy [aut],
  Helen Miller [aut],
  Henry Nguyen [aut],
  Robin Winstanley [aut],
  Alice Yang [aut]

Jonathan Callahan [aut, cre],
  Hans Martin [ctb],
  Eli Grosman [ctb],
  Roger Bivand [ctb],
  Sebastian Luque [ctb]

Meilin Jiang [aut, cre],
  Zhigang Li [aut]

Mohamad-Taher Anan [aut],
  Mohamad Alawad [aut],
  Bushra Alsaeed [aut, cre]

Andrew Finley [aut, cre],
  Sudipto Banerjee [aut],
  Øyvind Hjelle [aut],
  Roger Bivand [ctb]

Benjamin Mahieu [aut, cre],
  Essomanda Tchandao Mangamana [aut],
  Evelyne Vigneau [aut],
  Veronique Cariou [aut]

Christophe Dutang [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6732-1501>),
  Giorgio Spedicato [aut] (ORCID:
    <https://orcid.org/0000-0002-0315-8888>),
  Markus Gesmann [ctb]