Kotlin multiplatform / multi-format serialization
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/Kotlin/kotlinx.serialization?utm_source=readme_chart)Compact Shields-style badges for your README header. Shows real-time stars and global ranking.
[](https://githubrepo.cloud/repo/Kotlin/kotlinx.serialization?utm_source=readme_badge) [](https://githubrepo.cloud/repo/Kotlin/kotlinx.serialization?utm_source=readme_badge) [](https://githubrepo.cloud/repo/Kotlin/kotlinx.serialization?utm_source=readme_badge)Momentum
+149
STARS · LAST 30 DAYS
5
PER DAY
#58
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +35 | +149 | +450 |
| Per day | 5 | 5 | 5 |
| Forks gained | +3 | +14 | +34 |
kotlinx.serialization gained 149 stars in the last 30 days, about 5 a day, and now has 6K. It is about 9 years old and has averaged roughly 661 stars a year. It ranks #58 among Kotlin repositories and #2,015 across all languages on GitHubRepo.
Trending Record
7
DAYS ON TRENDING
#4465
BEST RANK
Oct 12, 2026
FIRST APPEARANCE
Active
STATUS TODAY
kotlinx.serialization has maintained a continuous presence across global trending indexes, peaking at #4465. Below is the 30-day activity profile:
💡 Overview
kotlinx.serialization is an open-source project written in Kotlin: Kotlin multiplatform / multi-format serialization .
Engineered for speed, consistency, and developer ease, it solves common hurdles in cbor, json, kotlin. 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/Kotlin/kotlinx.serialization.git
cd kotlinx.serialization⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
kotlinx.serialization 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 kotlinx.serialization 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 kotlinx.serialization using your package manager: `git clone https://github.com/Kotlin/kotlinx.serialization.git`
Initialize your project workspace or configuration file for kotlinx.serialization.
Import kotlinx.serialization into your codebase or invoke it directly from your terminal.
Execute your test suite or run `kotlinx.serialization --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
Kotlin/kotlinx.serialization is currently ranked #2,015 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,010 | JSQLParser/JSqlParser | Java | ★ 6K | Compare ↗ |
| #2,011 | Permify/permify | Go | ★ 6K | Compare ↗ |
| #2,012 | lucidrains/x-transformers | Python | ★ 6K | Compare ↗ |
| #2,013 | lostisland/faraday | Ruby | ★ 6K | Compare ↗ |
| #2,013 | vcmi/vcmi | C++ | ★ 6K | Compare ↗ |
| #2,015 | Kotlin/kotlinx.serialization This Project | Kotlin | ★ 6K | |
| #2,016 | ZoneMinder/zoneminder | PHP | ★ 5.9K | Compare ↗ |
| #2,017 | smogon/pokemon-showdown | TypeScript | ★ 5.9K | Compare ↗ |
| #2,017 | dolanmiu/docx | TypeScript | ★ 5.9K | Compare ↗ |
| #2,019 | Pennyw0rth/NetExec | Python | ★ 5.9K | Compare ↗ |
| #2,020 | rust-lang/futures-rs | Rust | ★ 5.9K | Compare ↗ |
Frequently Asked Questions
What does kotlinx.serialization do? +
Kotlin multiplatform / multi-format serialization
What language is kotlinx.serialization written in? +
The primary language is Kotlin. Topics include: cbor, json, kotlin, protobuf, serialization.
Is kotlinx.serialization actively maintained? +
Yes, the last recorded push was on Oct 12, 2026 with 301 open issues being tracked.
How many stars does kotlinx.serialization have? +
kotlinx.serialization has 5,950 stars and 688 forks on GitHub.
How does kotlinx.serialization rank among GitHub repositories? +
With 5,950 stars, Kotlin/kotlinx.serialization is ranked #2,015 globally across all repositories tracked on GitHubRepo and #58 among Kotlin projects.
What license is kotlinx.serialization distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
