Thomas J. Matthews [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-7624-244X>),
  Francois Guilhaumon [aut] (ORCID:
    <https://orcid.org/0000-0003-4707-8932>),
  Kevin Cazelles [rev] (ORCID: <https://orcid.org/0000-0001-6619-9874>)

Carl Boettiger [cre, aut, cph] (ORCID:
    <https://orcid.org/0000-0002-1642-628X>),
  Jeroen Ooms [aut],
  Milad Memarzadeh [aut],
  Hanna Kurniawati [ctb, cph],
  David Hsu [ctb, cph],
  Hanna Kurniawati [ctb, cph],
  Wee Sun Lee [ctb, cph],
  Yanzhu Du [ctb],
  Xan Huang [ctb],
  Trey Smith [ctb, cph],
  Tony Cassandra [ctb, cph],
  Lee Thomason [ctb, cph],
  Carl Kindman [ctb, cph],
  Le Trong Dao [ctb, cph],
  Amit Jain [ctb, cph],
  Rong Nan [ctb, cph],
  Ulrich Drepper [ctb],
  Free Software Foundation [cph],
  Tyge Lovset [ctb, cph],
  Yves Berquin [ctb, cph],
  Benjamin Grüdelbach [ctb],
  RSA Data Security, Inc. [cph]

Matt Shotwell [aut, cre],
  Clint Cummins [ctb]

Doug Hemken [aut, cre] (SSCC, Univ. of Wisconsin-Madison (retired)),
  Chao Cheng [ctb] (Statistician, Simcere Pharmaceutical Group Limited)

Ramon Littell [aut],
  George Milliken [aut],
  Walter Stroup [aut],
  Russell Wolfinger [aut],
  Douglas Bates [aut] (ORCID: <https://orcid.org/0000-0001-8316-9503>),
  Martin Maechler [aut] (ORCID: <https://orcid.org/0000-0002-8685-9910>),
  Ben Bolker [aut] (ORCID: <https://orcid.org/0000-0002-2127-0443>),
  Steve Walker [aut] (ORCID: <https://orcid.org/0000-0002-4394-9078>),
  Anna Ly [cre] (ORCID: <https://orcid.org/0000-0002-0210-0342>)

Liming Li [aut, cre],
  Daniel Sabanes Bove [aut],
  Isaac Gravestock [aut],
  F. Hoffmann-La Roche AG [cph, fnd],
  AstraZeneca plc [cph, fnd]

Joe Cheng [aut],
  Timothy Mastny [aut],
  Richard Iannone [aut] (ORCID: <https://orcid.org/0000-0003-3925-190X>),
  Barret Schloerke [aut] (ORCID: <https://orcid.org/0000-0001-9986-114X>),
  Carson Sievert [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-4958-2844>),
  Christophe Dervieux [ctb] (ORCID:
    <https://orcid.org/0000-0003-4474-2498>),
  RStudio [cph, fnd],
  Sass Open Source Foundation [ctb, cph] (LibSass library),
  Greter Marcel [ctb, cph] (LibSass library),
  Mifsud Michael [ctb, cph] (LibSass library),
  Hampton Catlin [ctb, cph] (LibSass library),
  Natalie Weizenbaum [ctb, cph] (LibSass library),
  Chris Eppstein [ctb, cph] (LibSass library),
  Adams Joseph [ctb, cph] (json.cpp),
  Trifunovic Nemanja [ctb, cph] (utf8.h)