Mozilla Messaging

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Mozilla Messaging
FateAbsorbed by Mozilla Corporation
Founded2007; 14 years ago (2007)
DefunctApril 4, 2011 (2011-04-04)
Vancouver, British Columbia
Key people
David Ascher (CEO)
ProductsMozilla Thunderbird
Number of employees
Approximately 10
ParentMozilla Foundation

Mozilla Messaging (abbreviated MoMo[1]) was a wholly owned, for-profit subsidiary of the non-profit Mozilla Foundation.[2] It was broadly tasked with aspects of the Mozilla Project that focused on interpersonal communications, such as instant messaging and e-mail. Its main focus was developing Mozilla Thunderbird, the e-mail client developed by the Mozilla Foundation.

It was spun off from the Mozilla project in 2007; on 4 April 2011, it was merged into the Mozilla Labs group of the Mozilla Corporation.[3]


  1. ^ jenzed and Breaking_Pitt. "Thunderbird FAQ, Who makes Thunderbird". Mozilla Messaging. Archived from the original on 2010-08-22. Retrieved 2010-04-07. Thunderbird is developed, tested, translated and supported by the folks at Mozilla Messaging and by a group of dedicated volunteers. Mozilla Messaging ("MoMo" for short) is a sister project to the for-profit Mozilla Corporation, the folks who make the Firefox browser. Both are wholly owned subsidiaries of the non-profit Mozilla Foundation.
  2. ^ Tom Espiner (2008-02-20). "Mozilla ready to add IM to Thunderbird stable?". Retrieved 2008-05-12.[permanent dead link]
  3. ^ Paul, Ryan (5 April 2011). "Thunderbird returns to nest as Mozilla Messaging rejoins Mozilla". Ars Technica. Retrieved 2011-04-05.