GitStar

ThunderbirdOrganization

Thunderbird

@thunderbird • Open source projects from thunderbird. Use this route to separate flagship concentration from portfolio breadth before you treat a publisher as broadly strong.

Portfolio concentration

96%

Top three share

Shows whether the organization is driven by one breakout repo or several visible projects.

Breadth

30 repos

Visible snapshot

23 repositories updated in the last 90 days.

Leading language

Unknown

Portfolio mix

Unknown (12), JavaScript (5), Python (5)

Average size

4

Stars per repository

Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.

Updated: 2026-04-27(1d ago)GitHub API fallback30 repositories

Portfolio Shape

96%

of the visible star count comes from this organization's top three repositories.

Average Repository Size

4

stars per repository in this same snapshot.

Current Mix

Unknown

is the most common language here, with 23 repositories updated in the last 90 days.

Why this rank

This organization stands out because one flagship repo drives 64% of its visible star count.

Flagship share 64%Breakout repo: stormbox

Organization pages work best when you separate portfolio breadth from flagship concentration. In Thunderbird's case, the visible top three repositories account for about 96% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.

The dominant language mix here is Unknown (12), JavaScript (5), Python (5). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.

Source: GitHub API fallback. This is the same cache-first snapshot used by the organization ranking list, so the summary view and the detail view should stay aligned.

Top Repositories

#RepositoryLanguage⭐ Stars
1thunderbird/stormbox

A webmail.

JavaScript82
2thunderbird/thunderbird-desktop

This repository is for testing migration of hg->git. It is not (yet) an official repository for Thunderbird.

JavaScript39
3thunderbird/webext-review-linter

By normalizing formatting, removing unused parameters, stripping comments, and enforcing a consistent coding style, reviewers can focus on actual logic or code changes rather than stylistic differences.

JavaScript3
4thunderbird/operation-queue-rs

Rust helpers for synchronizing asynchronous protocol operations.

Rust1
5thunderbird/pro

Thunderbird Pro Meta Repository

1
6thunderbird/infra-testing

This repository is for testing migration of hg->git.

JavaScript1
7thunderbird/thunderbird-metrics-and-reportsHTML1
8thunderbird/observability

Observability strategies for TBPro

Python1
9thunderbird/thundermail-deploy

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

0
10thunderbird/bitergia-documentation-handover

BAP documentation for the handover process

0
11thunderbird/test

Ignore me

0
12thunderbird/platform-grafanaHCL0
13thunderbird/bap-deployment-toolkit

The BAP Deployment Toolkit is a set of tools for provisioning, configuring, and deploying the Bitergia Analytics Platform with Terraform and Ansible.

HCL0
14thunderbird/infra-planning

A repo for planning future infrastructure work at Thunderbird

0
15thunderbird/design-contributions

Welcome to your hub for contributing to the design of Thunderbird!

0
16thunderbird/bitergia-data

Public data sources for our self hosted Bitergia instance.

0
17thunderbird/bolt-design-system0
18thunderbird/thunderbird-android-metrics-and-reportsRuby0
19thunderbird/github-action-tbandroid-aaq

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

Ruby0
20thunderbird/xmlpull-extracted-from-android

XmlPull API extracted from AOSP

0
21thunderbird/routing

Infrastructure repo for managing our high level traffic routing needs

Shell0
22thunderbird/zendesk-ticket-monitor

Scripts to monitor for ticketing spikes in zendesk and alert the on-call agents when necessary.

Python0
23thunderbird/roadmaps-overview

This repository is for providing a high-level, easily digestible roadmap for each of the Thunderbird products.

JavaScript0
24thunderbird/github-action-thunderbird-kb

github action to get all the Thunderbird SUMO Knowledge Base Articles

Ruby0
25thunderbird/thunderbird-desktop-test

Test repo for hg->git migration

0
26thunderbird/addon-reviewer-guide0
27thunderbird/ios-knowledgebase-issues

for tracking Thunderbird for iOS SUMO Knowledge Base issues

0
28thunderbird/Thunderbird-Metrics

Mozilla Thunderbird Community Metrics. It was started by Teal Dulcet and has been moved from https://github.com/tdulcet/Thunderbird-Metrics.

Python0
29thunderbird/tb-migration-scripts

Scripts for running Fluent migrations on comm-central

Python0
30thunderbird/tb-fluent-migrate

Fluent migrations for comm-central

Python0

Next step after the organization read

Open a flagship repository, compare a couple of portfolio leaders, or return to the organization map when you want a broader concentration read.

Learn and methodology

Keep trust-building context reachable, but behind the first data read instead of ahead of it.

How to Read This Snapshot

Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.

For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.