Repositories list

• github-action-tbandroid-aaq

  Public
  github action to get all the Thunderbird for Android SUMO forum questions aka Ask a Question or AAQ

  Ruby

  •

  Mozilla Public License 2.0

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 6, 2026May 6, 2026

• github-action-thunderbird-aaq

  Public
  github action to get all the Thunderbird SUMO forum questions aka Ask a Question or AAQ

  Ruby

  •

  Mozilla Public License 2.0

  •22 forks•00 stars•77 issues•00 pull requests•Updated May 6, 2026May 6, 2026

• thunderbird-metrics-and-reports

  Public
  HTML

  •

  Mozilla Public License 2.0

  •11 fork•11 star•1010 issues•00 pull requests•Updated May 6, 2026May 6, 2026

• thunderbird-l10n

  Public
  Localized messages for Thunderbird

  Fluent

  •

  Mozilla Public License 2.0

  •44 forks•66 stars•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thunderbolt

  Public
  AI You Control: Choose your models. Own your data. Eliminate vendor lock-in.

  aiai-agentson-device-ai+ 1

  aiai-agentson-device-aillms

  TypeScript

  •

  Mozilla Public License 2.0

  •299299 forks•4.5k4.5k stars•22 issues•2121 pull requests•Updated May 5, 2026May 5, 2026

• tb-website-builds

  Public
  The static files hosted on thunderbird.net

  HTML

  •33 forks•99 stars•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-notes

  Public
  Release Notes for Thunderbird

  Python

  •1616 forks•4141 stars•55 issues•11 pull request•Updated May 5, 2026May 5, 2026

• import-export-tools-ng

  Public
  Import Export Tools that supports Thunderbird v68-v128

  HTML

  •

  Other

  •4040 forks•386386 stars•434434 issues•11 pull request•Updated May 5, 2026May 5, 2026

• thunderbird-accounts

  Public
  Thunderbird Accounts

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •44 forks•2121 stars•136136 issues•1414 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-website

  Public
  Build code for the websites on thunderbird.net and start.thunderbird.net

  HTML

  •108108 forks•260260 stars•9797 issues•2424 pull requests•Updated May 5, 2026May 5, 2026

• github-action-thunderbird-kb

  Public
  github action to get all the Thunderbird SUMO Knowledge Base Articles

  Ruby

  •

  Mozilla Public License 2.0

  •00 forks•00 stars•11 issue•00 pull requests•Updated May 5, 2026May 5, 2026

• webext-reports

  Public
  Reports for extensions hosted on ATN

  JavaScript

  •

  Mozilla Public License 2.0

  •00 forks•11 star•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thundermail-deploy

  Public
  Manifests/configs for deploying Stalwart-as-Thundermail in Kubernetes

  Mozilla Public License 2.0

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-release-docs

  Public
  00 forks•00 stars•00 issues•11 pull request•Updated May 5, 2026May 5, 2026

• tbpro-add-on

  Public
  Thunderbird Pro Add-On

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  TypeScript

  •

  Mozilla Public License 2.0

  •33 forks•4040 stars•9999 issues•77 pull requests•Updated May 5, 2026May 5, 2026

• appointment

  Public
  Invite others to grab times on your calendar. Choose a date. Make appointments as easy as it gets.

  calendarschedulingappointment-scheduling+ 3

  calendarschedulingappointment-schedulingappointment-bookingappointments-managerthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •1919 forks•533533 stars•206206 issues•55 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-android

  Public
  Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

  androidcommunicationemail+ 1

  androidcommunicationemailmozilla

  Kotlin

  •

  Apache License 2.0

  •2.7k2.7k forks•13k13k stars•965965 issues•3030 pull requests•Updated May 5, 2026May 5, 2026

• services-ui

  Public
  Shared components for Thunderbird Services Vuejs applications

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Vue

  •

  Mozilla Public License 2.0

  •11 fork•77 stars•1313 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-l10n-source

  Public
  Thunderbird source strings (equivalent of firefox-l10n-source)

  Fluent

  •

  Mozilla Public License 2.0

  •11 fork•00 stars•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• comm-unified-l10n

  Public
  Git mirror of current release branches used for localization

  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 5, 2026May 5, 2026

• thunderbird-ios

  Public
  Thunderbird for iOS – Open Source Email App for iOS

  Swift

  •

  Mozilla Public License 2.0

  •3030 forks•957957 stars•4040 issues•55 pull requests•Updated May 4, 2026May 4, 2026

• webext-support

  Public
  Additional resources for extension developers (tools, scripts, custom elements, Experiment APIs)

  JavaScript

  •

  Mozilla Public License 2.0

  •2525 forks•2424 stars•11 issue•00 pull requests•Updated May 4, 2026May 4, 2026

• thunderbird.net-l10n

  Public
  gettext files for thunderbird.net and start.thunderbird.net

  Mozilla Public License 2.0

  •55 forks•88 stars•11 issue•00 pull requests•Updated May 4, 2026May 4, 2026

• thunderbird-mobile-components

  Public
  Thunderbird Mobile Components

  Kotlin

  •

  Mozilla Public License 2.0

  •33 forks•44 stars•00 issues•66 pull requests•Updated May 4, 2026May 4, 2026

• notion-scripts

  Public
  Python

  •

  Mozilla Public License 2.0

  •33 forks•11 star•11 issue•11 pull request•Updated May 2, 2026May 2, 2026

• thunderbird-notifications

  Public
  In-App notifications for Thunderbird

  Python

  •

  Mozilla Public License 2.0

  •77 forks•55 stars•88 issues•22 pull requests•Updated Apr 30, 2026Apr 30, 2026

• addons-server

  Public
  🕶 addons.thunderbird.net Django app and API, forked from addons.mozilla.org 🎉

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •557557 forks•1818 stars•9696 issues•55 pull requests•Updated Apr 29, 2026Apr 29, 2026

• observability

  Public
  Observability strategies for TBPro

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •00 forks•11 star•1111 issues•11 pull request•Updated Apr 29, 2026Apr 29, 2026

• mailstrom

  Public
  Thundermail Server IaC

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •11 fork•1111 stars•4040 issues•11 pull request•Updated Apr 29, 2026Apr 29, 2026

• webext-annotated-schemas

  Public
  Annotated WebExtension schema files for Thunderbird

  Fluent

  •

  Mozilla Public License 2.0

  •00 forks•33 stars•00 issues•00 pull requests•Updated Apr 29, 2026Apr 29, 2026