Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.Customize background-color of the recipient address fields for each recipient types of To:, Cc:, Bcc:.
ClickGuard No Restart
Prevent accidental interaction with tab contents
Activity logger (sampled task monitoring) which uses calendar to store user's activities.
It periodically displays window with textbox where user can put description of currently performed tasks. The description is saved in a calendar.
Classic Pop-up Alerts No Restart
This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0
Finds when are people available for a meeting or event via Zonio Freebusy service. Displays freebusy blocks instantly in Invite Attendees window while attendees are being added. Works with both local calendar storage or any calendar provider.
GNotifier No Restart
Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.
Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.
Disallows to delete not-empty mail folders.
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances
Removes 'EXTERNAL: ' from the start of an email subject if it is preceded by 'RE:' or 'FWD:' (case insensitive). The removal is done after the 'Send' button is pressed.
custom additions to Stylish extension
No need flash plugin on embeded youtube movies
This is a dictionary file add-on for the Rikaichan extension.
Extension to import html into InfoQube
Rspamd spam filtering system score visualization.
AntiGameOrigin v6 No Restart
AntiGameOrigin - the other OGame experience for all communities.
The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.
This is a fork of AutoProxy, which can run the latest version of Firefox.
Confirms to send a mail with any attachment.
Dial phone numbers with Dialectic (Dialectic is for OS X only). In addition, when a page loads, phone numbers can optionally be highlighted and hyperlinked to dial Dialectic.