880
Mozilla
399,122
Open source
Gives access to multiple email accounts on a single interface.
Aron Rubin
15
Freeware
LookOut allows Thunderbird to interface with Microsoft's mail tools.
4
KirySoft S.R.L.
678
Freeware
KLS Mail Backup can restore your Mail, Thunderbird, and Firefox profile files.
14
AtomPark Software Inc
1,948
Shareware
Save your time and money! Send messages to thousands of recipients real fast!
5
Max Programming, S.L.
1,805
Shareware
Send customized newsletters with this Advanced bulk mailer & mail-merge software.
87
PCVARE Solutions
95
Shareware
Convert Thunderbird to Windows Live Mail. Convert Thunderbird to Eudora.
KDETools Thunderbird to Outlook Converter
Shareware
Convert your mail from Mozilla Thunderbird to Outlook with Thunderbird Converter.
zebNet® Ltd
23
Freeware
Back up and recover e-mail files for the Thunderbird e-mail client.
MDaemon Data Migration
Shareware
MDaemon Data Migration to Outlook, Eudora, Mac Mail, Thunderbird, Windows Mail.
3
BitRecover
4
Shareware
Software to Convert Zimbra to Outlook, Thunderbird, Windows Mail, Apple Mail.
91
QUALCOMM Incorporated
3,607
Shareware
Eudora is a mail and news application based on Thunderbird client from Mozilla.
4
KhmerOS
1,265
Open source
Moyura is a very advanced e-mail client based on the code of Thunderbird.
Anders Fahlstrom
28
Freeware
Allows you to archive mail in SuperOffice CRM software from Thunderbird.
2
Mozilla
31
Freeware
Lanikai is a preview release for the upcoming new Thunderbird e-mail client.
GlexSoft LLC
103
Shareware
This is a program for Thunderbird to Outlook conversion and e-mail migration.