Search

Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
39 users

Download Now

Thunderbird Send [stage]

[Alpha Testing] Thunderbird send allows sending and receiving end to end encrypted files.

This add-on is undergoing testing and not yet available to the general public.

Rated 1 out of 5 stars (1)
29 users

Download Now

Antispam

Sending email to the Antispam database

Not yet rated
22 users

Download Now

AutoZoom

AddOn to save a text zoom for eMail text editor.

Rated 4 out of 5 stars (3)
121 users

Download Now

SimpleLogin - Easy Reach

An extension for Thunderbird that allows you to access SimpleLogin.

Not yet rated
11 users

Download Now

OWUI - Quick Access

This extension adds a simple button to your Spaces toolbar that opens in a new tab, providing you with one-click access to your Open WebUI Instance.

Not yet rated
4 users

Download Now

Gemini Proofreader

This extension uses Gemini Flash 2.0 to proofread emails when the user clicks the extension icon.

Usage requires a Gemini API key. There is a free usage tier that should be more than adequate for almost every user.

Not yet rated
1 user

Download Now

OpenAI Proofreader

This extension uses OpenAI gpt-4o-mini to proofread emails when the user clicks the extension icon.

Usage requires an OpenAI API key. OpenAI does not offer a free usage tier. Proofreading a 4-5 paragraph email costs a fraction of a cent.

Not yet rated
1 user

Download Now

SpaceHey - Quick Access

Quick Access to SpaceHey in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
1 user

Download Now

Balochi Spellchecker for UniBal Script

This add-on is a Balochi spellchecker based on the UniBal Balochi script.

This is a pre-beta version as the dictionary has 1000+ words and not all Balochi Affix rules are implemented.

Please use it and give your feedback

Rated 3 out of 5 stars (1)
1 user

Download Now

Tatar spellchecker dictionary

Tatar dictionary for spell-checking in Firefox and Thunderbird.

Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.

Not yet rated
1 user

Download Now

Lower Sorbian dictionary

Spellchecking dictionary for Lower Sorbian language.

Not yet rated
7 users

Download Now

Kiswahili Spell Checker

Kiswahili Spell Checker

Not yet rated
57 users

Download Now

Babyish spellchecker

Babyish Spellcheck dictionary

Not yet rated
3 users

Download Now

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

Rated 3 out of 5 stars (13)
12,733 users

Download Now

Open Tab

Link open in new tab.

Rated 5 out of 5 stars (6)
585 users

Download Now

Contact Finder

Autocomplete a list of contacts when sending a message by searching their name in the address book.

Not yet rated
383 users

Download Now

S3 FileLink Provider

Uploads your large attachments to S3

Rated 1 out of 5 stars (1)
801 users

Download Now

enUS deDE bilingual dictionary

This is a bilingual dictionary for American English and German Standard German.
It is meant for users who regularly write in German and English.
With it, you will not need to manually switch between dictionaries for the two languages.

Rated 5 out of 5 stars (1)
23,716 users

Download Now

ChatGPT - Quick Access

Quick Access to ChatGPT in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Rated 4 out of 5 stars (2)
1,050 users

Download Now