Repositories list

• tb-website-builds

  Public

  thunderbird/tb-website-builds’s past year of commit activity
  The static files hosted on thunderbird.net

  HTML

  •33 forks•88 stars•00 issues•00 pull requests•Updated Apr 19, 2026Apr 19, 2026

• thunderbird.net-l10n

  Public

  thunderbird/thunderbird.net-l10n’s past year of commit activity
  gettext files for thunderbird.net and start.thunderbird.net

  Mozilla Public License 2.0

  •55 forks•88 stars•11 issue•00 pull requests•Updated Apr 19, 2026Apr 19, 2026

• thunderbird-l10n

  Public

  thunderbird/thunderbird-l10n’s past year of commit activity
  Localized messages for Thunderbird

  Fluent

  •

  Mozilla Public License 2.0

  •44 forks•66 stars•00 issues•11 pull request•Updated Apr 19, 2026Apr 19, 2026

• github-action-tbandroid-aaq

  Public

  thunderbird/github-action-tbandroid-aaq’s past year of commit activity
  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 Apr 19, 2026Apr 19, 2026

• github-action-thunderbird-aaq

  Public

  thunderbird/github-action-thunderbird-aaq’s past year of commit activity
  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 Apr 19, 2026Apr 19, 2026

• thunderbird-metrics-and-reports

  Public

  thunderbird/thunderbird-metrics-and-reports’s past year of commit activity
  HTML

  •

  Mozilla Public License 2.0

  •11 fork•11 star•1010 issues•00 pull requests•Updated Apr 19, 2026Apr 19, 2026

• comm-unified-l10n

  Public

  thunderbird/comm-unified-l10n’s past year of commit activity
  Git mirror of current release branches used for localization

  MIT License

  •00 forks•00 stars•00 issues•11 pull request•Updated Apr 19, 2026Apr 19, 2026

• github-action-thunderbird-kb

  Public

  thunderbird/github-action-thunderbird-kb’s past year of commit activity
  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 Apr 19, 2026Apr 19, 2026

• thunderbolt

  Public

  thunderbird/thunderbolt’s past year of commit activity
  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

  •105105 forks•2k2k stars•22 issues•2323 pull requests•Updated Apr 19, 2026Apr 19, 2026

• webext-support

  Public

  thunderbird/webext-support’s past year of commit activity
  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 Apr 18, 2026Apr 18, 2026

• webext-reports

  Public

  thunderbird/webext-reports’s past year of commit activity
  Reports for extensions hosted on ATN

  JavaScript

  •

  Mozilla Public License 2.0

  •00 forks•11 star•00 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• thunderbird-l10n-source

  Public

  thunderbird/thunderbird-l10n-source’s past year of commit activity
  Thunderbird source strings (equivalent of firefox-l10n-source)

  Fluent

  •

  Mozilla Public License 2.0

  •11 fork•00 stars•00 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• appointment

  Public

  thunderbird/appointment’s past year of commit activity
  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

  •1818 forks•481481 stars•208208 issues•99 pull requests•Updated Apr 18, 2026Apr 18, 2026

• webext-file-system-access

  Public archive

  thunderbird/webext-file-system-access’s past year of commit activity
  A proxy extension to provide file system access.

  00 forks•33 stars•00 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policy-templates

  Public

  thunderbird/policy-templates’s past year of commit activity
  Policy Templates for Thunderbird

  JavaScript

  •

  Mozilla Public License 2.0

  •55 forks•3232 stars•4949 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• thunderbird-accounts

  Public

  thunderbird/thunderbird-accounts’s past year of commit activity
  Thunderbird Accounts

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •44 forks•1919 stars•136136 issues•1414 pull requests•Updated Apr 17, 2026Apr 17, 2026

• thunderbird-notes

  Public

  thunderbird/thunderbird-notes’s past year of commit activity
  Release Notes for Thunderbird

  Python

  •1717 forks•4242 stars•55 issues•55 pull requests•Updated Apr 17, 2026Apr 17, 2026

• thunderbird-ios

  Public

  thunderbird/thunderbird-ios’s past year of commit activity
  Thunderbird for iOS – Open Source Email App for iOS

  Swift

  •

  Mozilla Public License 2.0

  •2828 forks•923923 stars•4545 issues•55 pull requests•Updated Apr 17, 2026Apr 17, 2026

• tbpro-add-on

  Public

  thunderbird/tbpro-add-on’s past year of commit activity
  Thunderbird Pro Add-On

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  TypeScript

  •

  Mozilla Public License 2.0

  •33 forks•3838 stars•9898 issues•99 pull requests•Updated Apr 17, 2026Apr 17, 2026

• autoconfig

  Public

  thunderbird/autoconfig’s past year of commit activity
  The ISPDB, Thunderbird's database of mail configuration files.

  thunderbirdimapmozilla+ 4

  thunderbirdimapmozillasmtppop3autoconfigispdb

  Python

  •

  Mozilla Public License 2.0

  •6464 forks•9292 stars•1010 issues•55 pull requests•Updated Apr 17, 2026Apr 17, 2026

• thunderbird-android

  Public

  thunderbird/thunderbird-android’s past year of commit activity
  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•947947 issues•2323 pull requests•Updated Apr 17, 2026Apr 17, 2026

• thunderbird-website

  Public

  thunderbird/thunderbird-website’s past year of commit activity
  Build code for the websites on thunderbird.net and start.thunderbird.net

  HTML

  •108108 forks•259259 stars•102102 issues•2323 pull requests•Updated Apr 17, 2026Apr 17, 2026

• platform-grafana

  Public

  thunderbird/platform-grafana’s past year of commit activity
  HCL

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• import-export-tools-ng

  Public

  thunderbird/import-export-tools-ng’s past year of commit activity
  Import Export Tools that supports Thunderbird v68-v128

  HTML

  •

  Other

  •4040 forks•385385 stars•428428 issues•11 pull request•Updated Apr 16, 2026Apr 16, 2026

• addons-server

  Public

  thunderbird/addons-server’s past year of commit activity
  🕶 addons.thunderbird.net Django app and API, forked from addons.mozilla.org 🎉

  Python

  •

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

  •554554 forks•1818 stars•9696 issues•55 pull requests•Updated Apr 16, 2026Apr 16, 2026

• xml-struct-rs

  Public

  thunderbird/xml-struct-rs’s past year of commit activity
  Rust

  •

  Mozilla Public License 2.0

  •22 forks•1818 stars•33 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• operation-queue-rs

  Public

  thunderbird/operation-queue-rs’s past year of commit activity
  Rust helpers for synchronizing asynchronous protocol operations.

  Rust

  •

  Mozilla Public License 2.0

  •22 forks•00 stars•22 issues•11 pull request•Updated Apr 16, 2026Apr 16, 2026

• ews-rs

  Public

  thunderbird/ews-rs’s past year of commit activity
  A Rust crate for interacting with the Exchange Web Services API

  Rust

  •

  Mozilla Public License 2.0

  •1010 forks•3434 stars•00 issues•00 pull requests•Updated Apr 16, 2026Apr 16, 2026

• mailstrom

  Public

  thunderbird/mailstrom’s past year of commit activity
  Thundermail Server IaC

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •00 forks•88 stars•4141 issues•00 pull requests•Updated Apr 15, 2026Apr 15, 2026

• observability

  Public
  Observability strategies for TBPro

  thunderbirdthunderbird-pro

  thunderbirdthunderbird-pro

  Python

  •

  Mozilla Public License 2.0

  •00 forks•11 star•1212 issues•11 pull request•Updated Apr 15, 2026Apr 15, 2026