880
Mozilla
402,280
Open source
The email, calendar, and contacts app that maximizes your freedom.
22
Calendar Project
1,614
Freeware
Mozilla Sunbird is a cross-platform calendar application.
91
QUALCOMM Incorporated
3,625
Shareware
Eudora is a mail and news application based on Thunderbird client from Mozilla.
46
ALM Works
43
Shareware
Deskzilla is a client for Mozilla's Bugzilla bug tracking system.
DGA
7
Freeware
It has useful new features for the Mozilla Thunderbird email client.
5
Mozilla Corporation
8,724
Mozilla Firefox ESR is meant for organizations that manage their client desktops.
ChatZilla
19
Freeware
ChatZilla is an Internet Relay Chat (IRC) client, built on the Mozilla platform.
1
Mozilla
351
Open source
An open source, Mozilla Thunderbird-based mail, news and chat client.
