Just a simple, free and open-source manga reader for Android 5.0+
⚡ Executive Summary & Quick Facts
Authoritative SourceUsagi is Usagi is an open-source project written in Kotlin: Just a simple, free and open-source manga reader for Android 5.0+..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), UsagiApp/Usagi has accumulated 283 GitHub stars and 64 forks. It is written in Kotlin, licensed under GPL-3.0, and ranks #13,621 globally. It is actively maintained with the latest commit recorded on Oct 25, 2026.”
| Repository | UsagiApp/Usagi ↗ |
|---|---|
| Primary Category | android |
| Language & Stack | Kotlin |
| Software License | GPL-3.0 |
| Community Traction | ★ 283 stars · ⑂ 64 forks · #13,621 globally |
| Maintenance | ● Active (Last commit: Oct 25, 2026) · 18 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, Usagi is actively maintained. Continuous telemetry recorded the last code commit on Oct 25, 2026 (4 days ago). Supported by 283 stars and 64 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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+10
STARS · LAST 30 DAYS
1
PER DAY
#606
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +5 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
Usagi gained 10 stars in the last 30 days, about 1 a day, and now has 283. It is about 1 year old and has averaged roughly 283 stars a year. It ranks #606 among Kotlin repositories and #13,621 across all languages on GitHubRepo.
Trending Record
12
DAYS ON TRENDING
#4425
BEST RANK
Oct 17, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Usagi has maintained a continuous presence across global trending indexes, peaking at #4425. Below is the 30-day activity profile:
💡 Overview
Usagi is an open-source project written in Kotlin: Just a simple, free and open-source manga reader for Android 5.0+.
Engineered for speed, consistency, and developer ease, it solves common hurdles in android, comic, doujinshi. 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/UsagiApp/Usagi.git
cd Usagi⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Usagi 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 Usagi.
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 Usagi using your package manager: `git clone https://github.com/UsagiApp/Usagi.git`
Initialize your project workspace or configuration file for Usagi.
Import Usagi into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Usagi --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
UsagiApp/Usagi is currently ranked #13,621 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #13,596 | Mercor-Intelligence/archipelago | Python | ★ 284 | Compare ↗ |
| #13,596 | tc-mb/llama.cpp-omni | C++ | ★ 284 | Compare ↗ |
| #13,596 | jorgepb96/nodus | TypeScript | ★ 284 | Compare ↗ |
| #13,596 | opengeos/geolibre-rust | Rust | ★ 284 | Compare ↗ |
| #13,596 | CerealAxis/Nola-Translator | TypeScript | ★ 284 | Compare ↗ |
| #13,621 | UsagiApp/Usagi This Project | Kotlin | ★ 283 | |
| #13,621 | mojombo/primer | JavaScript | ★ 283 | Compare ↗ |
| #13,621 | sukria/Backup-Manager | Shell | ★ 283 | Compare ↗ |
| #13,621 | icco/resume | HTML | ★ 283 | Compare ↗ |
| #13,621 | mstilkerich/rcmcarddav | PHP | ★ 283 | Compare ↗ |
| #13,621 | cabrerahector/wordpress-popular-posts | PHP | ★ 283 | Compare ↗ |
Frequently Asked Questions
What does Usagi do? +
Just a simple, free and open-source manga reader for Android 5.0+
Is Usagi actively maintained in 2026? +
Yes, Usagi is actively maintained. The latest code push was recorded on Oct 25, 2026 (4 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 283 stars and 18 open issues.
What language is Usagi written in? +
The primary language is Kotlin. Topics include: android, comic, doujinshi, hentai, manga.
How many stars does Usagi have? +
Usagi has 283 stars and 64 forks on GitHub.
How does Usagi rank among GitHub repositories? +
With 283 stars, UsagiApp/Usagi is ranked #13,621 globally across all repositories tracked on GitHubRepo and #606 among Kotlin projects.
What license is Usagi distributed under? +
The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.
