thunderbird/thunderbird-android
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
⚡ Executive Summary & Quick Facts
Authoritative Sourcethunderbird-android is thunderbird-android is an open-source project written in Kotlin: Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), thunderbird/thunderbird-android has accumulated 14,197 GitHub stars and 2,885 forks. It is written in Kotlin, licensed under Apache-2.0, and ranks #1,218 globally. It is actively maintained with the latest commit recorded on Nov 9, 2026.”
| Repository | thunderbird/thunderbird-android ↗ |
|---|---|
| Primary Category | android |
| Language & Stack | Kotlin |
| Software License | Apache-2.0 |
| Community Traction | ★ 14.2K stars · ⑂ 2.9K forks · #1,218 globally |
| Maintenance | ● Active (Last commit: Nov 9, 2026) · 1,100 open issues |
| Target Audience | Developers and engineering teams building with Kotlin, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 90/100 · Grade AYes, thunderbird-android is actively maintained. Continuous telemetry recorded the last code commit on Nov 9, 2026 (3 days ago). Supported by 14,197 stars and 2,885 community forks, this repository holds a calculated health index of 90/100, reflecting very active (commits within last 14 days) and high open issue volume (1,100 open).
Star History
Add Live Star History & Verified Badges to README.md
Keep your repository README looking professional and dynamic. As our continuous crawler records new stars, these official SVG badges update in real time with zero maintenance.
Renders your high-resolution star trajectory chart right inside your GitHub README or project docs.
[](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_badge) [](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_badge) [](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_badge) [](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_badge) [](https://githubrepo.cloud/repo/thunderbird/thunderbird-android?utm_source=readme_badge)Momentum
+136
STARS · LAST 30 DAYS
5
PER DAY
#24
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +20 | +136 | +450 |
| Per day | 3 | 5 | 5 |
| Forks gained | +6 | +50 | +144 |
thunderbird-android gained 136 stars in the last 30 days, about 5 a day, and now has 14.2K. It is about 16 years old and has averaged roughly 887 stars a year. It ranks #24 among Kotlin repositories and #1,218 across all languages on GitHubRepo.
Trending Record
45
DAYS ON TRENDING
#548
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
thunderbird-android has maintained a continuous presence across global trending indexes, peaking at #548. Below is the 30-day activity profile:
💡 Overview
thunderbird-android is an open-source project written in Kotlin: Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail).
Engineered for speed, consistency, and developer ease, it solves common hurdles in android, communication, email. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Kotlin for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/thunderbird/thunderbird-android.git
cd thunderbird-android⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
thunderbird-android coordinates its core functionality through a modular Kotlin pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with thunderbird-android.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install thunderbird-android using your package manager: `git clone https://github.com/thunderbird/thunderbird-android.git`
Initialize your project workspace or configuration file for thunderbird-android.
Import thunderbird-android into your codebase or invoke it directly from your terminal.
Execute your test suite or run `thunderbird-android --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Kotlin, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
thunderbird/thunderbird-android is currently ranked #1,218 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,213 | thanos-io/thanos | Go | ★ 14.3K | Compare ↗ |
| #1,214 | semantica-agi/semantica | Python | ★ 14.3K | Compare ↗ |
| #1,215 | App-vNext/Polly | C# | ★ 14.2K | Compare ↗ |
| #1,216 | diesel-rs/diesel | Rust | ★ 14.2K | Compare ↗ |
| #1,217 | microsoft/agent-framework | Python | ★ 14.2K | Compare ↗ |
| #1,218 | thunderbird/thunderbird-android This Project | Kotlin | ★ 14.2K | |
| #1,219 | browseros-ai/BrowserOS | TypeScript | ★ 14.2K | Compare ↗ |
| #1,220 | ClementTsang/bottom | Rust | ★ 14.2K | Compare ↗ |
| #1,221 | rommapp/romm | Python | ★ 14.2K | Compare ↗ |
| #1,222 | phpstan/phpstan | PHP | ★ 14.2K | Compare ↗ |
| #1,223 | vercel/satori | TypeScript | ★ 14.2K | Compare ↗ |
Frequently Asked Questions
What does thunderbird-android do? +
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
Is thunderbird-android actively maintained in 2026? +
Yes, thunderbird-android is actively maintained. The latest code push was recorded on Nov 9, 2026 (3 days ago). It holds a calculated Maintenance Health Score of 90/100 (A rating) with 14,197 stars and 1,100 open issues.
What language is thunderbird-android written in? +
The primary language is Kotlin. Topics include: android, communication, email, mozilla.
How many stars does thunderbird-android have? +
thunderbird-android has 14,197 stars and 2,885 forks on GitHub.
How does thunderbird-android rank among GitHub repositories? +
With 14,197 stars, thunderbird/thunderbird-android is ranked #1,218 globally across all repositories tracked on GitHubRepo and #24 among Kotlin projects.
What license is thunderbird-android distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
