ImportExportTools Requer reinicialização
Adds some tools to import and export folders and messages
Redirecionar mensagem (Mail Redirect) Requer reinicialização
Permite redirecionar ("remail") mensagens de e-mail a outros destinatários.
ChatZilla Requer reinicialização
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
FiltaQuilla Requer reinicialização
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
Highlighter Requer reinicialização
Quickly highlight some text in Thunderbird message composing windows.
Toggle Word Wrap Requer reinicialização
Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.
Year view Requer reinicialização
Year view for calendar.
Join-NG Requer reinicialização
Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".
Quote Colors Requer reinicialização
Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.
Flexible Identity Requer reinicialização
Selects an identity based on the recipients list when sending an email
Lightbird Requer reinicialização
Standalone calendar UI for Lightning
ToneQuilla Requer reinicialização
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
EDS Calendar Integration Requer reinicialização
Integrates calendars events with Gnome clock applet
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
QuickNote Requer reinicialização
A simple note-taking extension.
Clean Subject Requer reinicialização
"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.
Gmail Manager NG Requer reinicialização
Based on Gmail Manager by Todd Long. This fork is intended to a supported version of Gmail Manager since Todd appears to have gone MIA. Manage multiple Gmail accounts and receive new mail notifications.
Send Filter Requer reinicialização
This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.
Copy Plain Text 2 Requer reinicialização
Copia texto selecionado removendo sua formatação.
Teamworkx Thunderbird Integration for Jira Requer reinicialização
This is a add-on for Thunderbird 60+/Seamonkey 2.x which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.