Privacy and Security
Close Proxy Authentication Requires Restart
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246
Identity Chooser helps you to always use the correct identity when composing a new email.
Classic Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
Extended Cookie Manager - Keep only wanted cookies.
Auto Address Cleaner Requires Restart
Removes comment, display name automatically from addresses before sending mail.
GProxy Tool Requires Restart
GProxy lets you set and clear GPass local proxy in Firefox and Thunderbird, and do more.
InfoNotary Configurator for Mozilla Requires Restart
Configures Mozilla for work with certificates issued by InfoNotary Plc.
KeeBird Requires Restart
Use KeePass Password Safe to manage your login credentials.
This is the replacement for the KeeFox extension for Thunderbird.
Minimum and fast URL blocker.
QuickPasswords Requires Restart
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes SSO change (multi-domain pw) and Backup + Restore.
This extension provides various customization options for the Adblock Plus user interface.
Stego Block Requires Restart
Embeds a small secondary, encrypted message in an email, known as a Stego Block.
DL for Thunderbird Requires Restart
Allows to convert large attachments to links automatically without 3rd party providers.
Correct Identity Requires Restart
Ever sent mail from the wrong email address because you forgot to select the correct identity?
Esign Requires Restart
Электронная подпись для сообщений в Thunderbird на основе API клиента "ГУЦ"
XML Digital Signature Tool Requires Restart
XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)
POW -- Plain Old Webserver Requires Restart
Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.
Key Manager Requires Restart
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
Certificate Patrol Requires Restart
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.