A command-line tool for Z-Library. Search, download, send to Kindle, and integrate with AI agents.
⚡ Executive Summary & Quick Facts
Authoritative Sourcezlib is zlib is an open-source project written in Go: A command-line tool for Z-Library. Search, download, send to Kindle, and integrate with AI agents.. It provides a free, self-hosted open-source alternative to OpenAI API & ChatGPT.
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), heartleo/zlib has accumulated 1,099 GitHub stars and 88 forks. It is written in Go, licensed under MIT, and ranks #6,934 globally. It is actively maintained with the latest commit recorded on Oct 20, 2026.”
| Repository | heartleo/zlib ↗ |
|---|---|
| Primary Category | annas archive |
| Language & Stack | Go |
| Software License | MIT |
| Community Traction | ★ 1.1K stars · ⑂ 88 forks · #6,934 globally |
| Maintenance | ● Active (Last commit: Oct 20, 2026) · 2 open issues |
| Replaces SaaS | Open Source OpenAI API & ChatGPT Alternative (Pay-per-token pricing with zero private data guarantees) → |
| Target Audience | Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, zlib is actively maintained. Continuous telemetry recorded the last code commit on Oct 20, 2026 (10 days ago). Supported by 1,099 stars and 88 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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Momentum
+27
STARS · LAST 30 DAYS
1
PER DAY
#825
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +27 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
zlib gained 27 stars in the last 30 days, about 1 a day, and now has 1.1K. It is about 1 year old and has averaged roughly 1.1K stars a year. It ranks #825 among Go repositories and #6,934 across all languages on GitHubRepo.
Trending Record
9
DAYS ON TRENDING
#8158
BEST RANK
Oct 20, 2026
FIRST APPEARANCE
Active
STATUS TODAY
zlib has maintained a continuous presence across global trending indexes, peaking at #8158. Below is the 30-day activity profile:
💡 Overview
zlib is an open-source project written in Go: A command-line tool for Z-Library. Search, download, send to Kindle, and integrate with AI agents.
Engineered for speed, consistency, and developer ease, it solves common hurdles in annas-archive, book, calibre. 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 Go 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
$ go install github.com/heartleo/zlib@latest
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
zlib coordinates its core functionality through a modular Go 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 zlib.
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 zlib using your package manager: `go install github.com/heartleo/zlib@latest`
Initialize your project workspace or configuration file for zlib.
Import zlib into your codebase or invoke it directly from your terminal.
Execute your test suite or run `zlib --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
heartleo/zlib is currently ranked #6,934 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,926 | karlomikus/bar-assistant | PHP | ★ 1.1K | Compare ↗ |
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| #6,934 | heartleo/zlib This Project | Go | ★ 1.1K | |
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Frequently Asked Questions
What does zlib do? +
A command-line tool for Z-Library. Search, download, send to Kindle, and integrate with AI agents.
Is zlib actively maintained in 2026? +
Yes, zlib is actively maintained. The latest code push was recorded on Oct 20, 2026 (10 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 1,099 stars and 2 open issues.
What language is zlib written in? +
The primary language is Go. Topics include: annas-archive, book, calibre, calibre-plugin, calibre-web.
How many stars does zlib have? +
zlib has 1,099 stars and 88 forks on GitHub.
How does zlib rank among GitHub repositories? +
With 1,099 stars, heartleo/zlib is ranked #6,934 globally across all repositories tracked on GitHubRepo and #825 among Go projects.
What license is zlib distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.