Kassu Mehari Beyene [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-2067-6054>),
  Ding-Geng Chen [ctb]

Vinnie Monaco [aut, cre],
  Malka Gorfine [aut],
  Li Hsu [aut]

Daniel Pritchard [aut, cre],
  Daniel Barrios-O'Neill [ctb],
  Helene Bovy [ctb],
  Rachel Paterson [ctb]

Antonio Arcos <arcos@ugr.es>, Maria del Mar Rueda <mrueda@ugr.es>,
    Maria Giovanna Ranalli <giovanna.ranalli@stat.unipg.it> and David Molina
    <dmolinam@ugr.es>

Gabor Csardi, Titus Wormer, Maciej Ceglowski, Jacob R. Rideout,
    and Kent S. Johnson

Gioia Di Credico [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0001-7502-4160>)

Ella Roelant [aut],
  Stefan Van Aelst [aut],
  Gert Willems [aut],
  Valentin Todorov [cre] (ORCID: <https://orcid.org/0000-0003-4215-0245>)

Jeonghwa Lee [aut, cre, cph],
  Daniel Gernander [ctb]

Lala Septem Riza, Christoph Bergmeir, Francisco Herrera, and
    Jose Manuel Benitez

Yaqing Chen [aut, cre],
  Yidong Zhou [aut],
  Han Chen [aut],
  Alvaro Gajardo [aut],
  Jianing Fan [aut],
  Qixian Zhong [aut],
  Paromita Dubey [aut],
  Kyunghee Han [aut],
  Satarupa Bhattacharjee [aut],
  Changbo Zhu [ctb],
  Su I Iao [ctb],
  Poorbita Kundu [ctb],
  Petersen Alexander [aut],
  Hans-Georg Müller [cph, ths, aut]

Sam Boysel [aut, cre],
  Davis Vaughan [aut]

Yi Lian [aut, cre],
  Yi Yang [aut, cph],
  Yuwen Gu [aut],
  Jun Fan [aut],
  Yue Zhao [aut],
  Robert W. Platt [aut]

Ruixuan Zhou [aut, cph],
  Dave Zhao [aut, cph],
  Layla Parast [cre]

Thomas Rosendal [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-6576-9668>)

John Muschelli [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-6469-1750>),
  Athanasia Mo Mowinckel [ctb] (ORCID:
    <https://orcid.org/0000-0002-5756-0223>)

Tim Schäfer [aut, cre] (ORCID: <https://orcid.org/0000-0002-3683-8070>)

Yuancheng Xu [aut],
  Athanasse Zafirov [cre],
  Christina Ramirez [aut],
  Dan Kojis [aut],
  Min Tan [aut],
  Mike Alvarez [aut]

Stéphane Laurent [aut, cre],
  Minh Nguyen [cph] (author of the JavaScript library 'Freewall')

Nelson Areal [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-1157-0178>)