Babel is written and maintained by the Babel team and various contributors:

- Aarni Koskela
- Christopher Lenz
- Armin Ronacher
- Alex Morega
- Lasse Schuirmann
- Felix Schwarz
- Pedro Algarvio
- Jeroen Ruigrok van der Werven
- Philip Jenvey
- benselme
- Isaac Jurado
- Tobias Bieniek
- Erick Wilder
- Michael Birtwell
- Jonas Borgström
- Kevin Deldycke
- Ville Skyttä
- Hugo
- Heungsub Lee
- Jakob Schnitzer
- Sachin Paliwal
- Alex Willmer
- Daniel Neuhäuser
- Jennifer Wang
- Lukas Balaga
- sudheesh001
- Jon Dufresne
- Xavier Fernandez
- KO. Mattsson
- Sébastien Diemer
- alexbodn@gmail.com
- saurabhiiit
- srisankethu
- Erik Romijn
- Lukas B
- Ryan J Ollos
- Arturas Moskvinas
- Leonardo Pistone
- Jun Omae
- Hyunjun Kim
- PTrottier
- xmo-odoo
- StevenJ
- Jungmo Ku
- Simeon Visser
- Narendra Vardi
- Stefane Fermigier
- Narayan Acharya
- François Magimel
- Wolfgang Doll
- Roy Williams
- Marc-André Dufresne
- Abhishek Tiwari
- David Baumgold
- Alex Kuzmenko
- Georg Schölly
- ldwoolley
- Rodrigo Ramírez Norambuena
- Jakub Wilk
- Roman Rader
- Max Shenfield
- Nicolas Grilly
- Kenny Root
- Adam Chainz
- Sébastien Fievet
- Anthony Sottile
- Yuriy Shatrov
- iamshubh22
- Sven Anderson
- Eoin Nugent
- Roman Imankulov
- David Stanek
- Roy Wellington Ⅳ
- Florian Schulze
- Todd M. Guerra
- Joseph Breihan
- Craig Loftus
- The Gitter Badger
- Régis Behmo
- Julen Ruiz Aizpuru
- astaric
- Felix Yan
- Philip_Tzou
- Jesús Espino
- Jeremy Weinstein
- James Page
- masklinn
- Sjoerd Langkemper
- Matt Iversen
- Alexander A. Dyshev
- Dirkjan Ochtman
- Nick Retallack
- Thomas Waldmann
- xen

Babel was previously developed under the Copyright of Edgewall Software.  The
following copyright notice holds true for releases before 2013: "Copyright (c)
2007 - 2011 by Edgewall Software"

In addition to the regular contributions Babel includes a fork of Lennart
Regebro's tzlocal that originally was licensed under the CC0 license.  The
original copyright of that project is "Copyright 2013 by Lennart Regebro".