Quba is a viewer for electronic invoices
⚡ Executive Summary & Quick Facts
Authoritative Sourcequba-viewer is quba-viewer is an open-source project written in Kotlin: Quba is a viewer for electronic invoices..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), ZUGFeRD/quba-viewer has accumulated 208 GitHub stars and 41 forks. It is written in Kotlin, licensed under Apache-2.0, and ranks #18,930 globally. It is actively maintained with the latest commit recorded on Nov 1, 2026.”
| Repository | ZUGFeRD/quba-viewer ↗ |
|---|---|
| Primary Category | e rechnung |
| Language & Stack | Kotlin |
| Software License | Apache-2.0 |
| Community Traction | ★ 208 stars · ⑂ 41 forks · #18,930 globally |
| Maintenance | ● Active (Last commit: Nov 1, 2026) · 97 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: 93/100 · Grade A+Yes, quba-viewer is actively maintained. Continuous telemetry recorded the last code commit on Nov 1, 2026 (11 days ago). Supported by 208 stars and 41 community forks, this repository holds a calculated health index of 93/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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[](https://githubrepo.cloud/repo/ZUGFeRD/quba-viewer?utm_source=readme_badge) [](https://githubrepo.cloud/repo/ZUGFeRD/quba-viewer?utm_source=readme_badge) [](https://githubrepo.cloud/repo/ZUGFeRD/quba-viewer?utm_source=readme_badge) [](https://githubrepo.cloud/repo/ZUGFeRD/quba-viewer?utm_source=readme_badge) [](https://githubrepo.cloud/repo/ZUGFeRD/quba-viewer?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#874
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
quba-viewer gained 10 stars in the last 30 days, about 1 a day, and now has 208. It is about 6 years old and has averaged roughly 35 stars a year. It ranks #874 among Kotlin repositories and #18,930 across all languages on GitHubRepo.
Trending Record
9
DAYS ON TRENDING
#16482
BEST RANK
Nov 1, 2026
FIRST APPEARANCE
Active
STATUS TODAY
quba-viewer has maintained a continuous presence across global trending indexes, peaking at #16482. Below is the 30-day activity profile:
💡 Overview
quba-viewer is an open-source project written in Kotlin: Quba is a viewer for electronic invoices.
Engineered for speed, consistency, and developer ease, it solves common hurdles in e-rechnung, electron, electron-app. 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/ZUGFeRD/quba-viewer.git
cd quba-viewer⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
quba-viewer 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
Production System Integration
Embed quba-viewer into Kotlin backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open Apache-2.0 license.
🚀 Getting Started
Install quba-viewer using your package manager: `git clone https://github.com/ZUGFeRD/quba-viewer.git`
Initialize your project workspace or configuration file for quba-viewer.
Import quba-viewer into your codebase or invoke it directly from your terminal.
Execute your test suite or run `quba-viewer --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
ZUGFeRD/quba-viewer is currently ranked #18,930 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #18,892 | marcpope/cortendesk | PHP | ★ 209 | Compare ↗ |
| #18,892 | slow-stack/mneme | JavaScript | ★ 209 | Compare ↗ |
| #18,892 | gsamat/amanu | Swift | ★ 209 | Compare ↗ |
| #18,892 | sayaka-aiart/StandRig | TypeScript | ★ 209 | Compare ↗ |
| #18,892 | idlerunner00/procedural-pixel-creatures | C# | ★ 209 | Compare ↗ |
| #18,930 | ZUGFeRD/quba-viewer This Project | Kotlin | ★ 208 | |
| #18,930 | olabini/paipr | Ruby | ★ 208 | Compare ↗ |
| #18,930 | avdi/hammertime | Ruby | ★ 208 | Compare ↗ |
| #18,930 | szegedi/dynalink | Java | ★ 208 | Compare ↗ |
| #18,930 | vanng822/go-premailer | Go | ★ 208 | Compare ↗ |
| #18,930 | guillaumebreton/gone | Go | ★ 208 | Compare ↗ |
Frequently Asked Questions
What does quba-viewer do? +
Quba is a viewer for electronic invoices
Is quba-viewer actively maintained in 2026? +
Yes, quba-viewer is actively maintained. The latest code push was recorded on Nov 1, 2026 (11 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 208 stars and 97 open issues.
What language is quba-viewer written in? +
The primary language is Kotlin. Topics include: e-rechnung, electron, electron-app, electronic-invoices, invoices.
How many stars does quba-viewer have? +
quba-viewer has 208 stars and 41 forks on GitHub.
How does quba-viewer rank among GitHub repositories? +
With 208 stars, ZUGFeRD/quba-viewer is ranked #18,930 globally across all repositories tracked on GitHubRepo and #874 among Kotlin projects.
What license is quba-viewer distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
