A framework to build power system oriented software
⚡ Executive Summary & Quick Facts
Authoritative Sourcepowsybl-core is powsybl-core is an open-source project written in Java: A framework to build power system oriented software..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), powsybl/powsybl-core has accumulated 190 GitHub stars and 78 forks. It is written in Java, licensed under MPL-2.0, and ranks #17,838 globally. It is actively maintained with the latest commit recorded on Oct 20, 2026.”
| Repository | powsybl/powsybl-core ↗ |
|---|---|
| Primary Category | cim |
| Language & Stack | Java |
| Software License | MPL-2.0 |
| Community Traction | ★ 190 stars · ⑂ 78 forks · #17,838 globally |
| Maintenance | ● Active (Last commit: Oct 20, 2026) · 241 open issues |
| Target Audience | Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 93/100 · Grade A+Yes, powsybl-core is actively maintained. Continuous telemetry recorded the last code commit on Oct 20, 2026 (14 days ago). Supported by 190 stars and 78 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
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/powsybl/powsybl-core?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/powsybl/powsybl-core?utm_source=readme_badge) [](https://githubrepo.cloud/repo/powsybl/powsybl-core?utm_source=readme_badge) [](https://githubrepo.cloud/repo/powsybl/powsybl-core?utm_source=readme_badge) [](https://githubrepo.cloud/repo/powsybl/powsybl-core?utm_source=readme_badge) [](https://githubrepo.cloud/repo/powsybl/powsybl-core?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#1,342
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
powsybl-core gained 10 stars in the last 30 days, about 1 a day, and now has 190. It is about 9 years old and has averaged roughly 21 stars a year. It ranks #1,342 among Java repositories and #17,838 across all languages on GitHubRepo.
Trending Record
14
DAYS ON TRENDING
#14077
BEST RANK
Oct 20, 2026
FIRST APPEARANCE
Active
STATUS TODAY
powsybl-core has maintained a continuous presence across global trending indexes, peaking at #14077. Below is the 30-day activity profile:
💡 Overview
powsybl-core is an open-source project written in Java: A framework to build power system oriented software.
Engineered for speed, consistency, and developer ease, it solves common hurdles in cim, energy-system, extensible. 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 Java 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/powsybl/powsybl-core.git
cd powsybl-core⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
powsybl-core coordinates its core functionality through a modular Java 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 powsybl-core into Java 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 MPL-2.0 license.
🚀 Getting Started
Install powsybl-core using your package manager: `git clone https://github.com/powsybl/powsybl-core.git`
Initialize your project workspace or configuration file for powsybl-core.
Import powsybl-core into your codebase or invoke it directly from your terminal.
Execute your test suite or run `powsybl-core --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Java, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
powsybl/powsybl-core is currently ranked #17,838 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #17,794 | Flux159/ragnarokoffline.app | JavaScript | ★ 191 | Compare ↗ |
| #17,794 | tals/corgi | TypeScript | ★ 191 | Compare ↗ |
| #17,794 | black-forest-labs/flux-action | Python | ★ 191 | Compare ↗ |
| #17,794 | thesnarkitecht/rembrandt | C++ | ★ 191 | Compare ↗ |
| #17,794 | Manan-Santoki/OpenShelf | Swift | ★ 191 | Compare ↗ |
| #17,838 | powsybl/powsybl-core This Project | Java | ★ 190 | |
| #17,838 | stevej/scala-json | Scala | ★ 190 | Compare ↗ |
| #17,838 | jeffp/enumerated_attribute | Ruby | ★ 190 | Compare ↗ |
| #17,838 | jruby/joni | Java | ★ 190 | Compare ↗ |
| #17,838 | mintdigital/asset_hat | Ruby | ★ 190 | Compare ↗ |
| #17,838 | wilkerlucio/mongoid_taggable | Ruby | ★ 190 | Compare ↗ |
Frequently Asked Questions
What does powsybl-core do? +
A framework to build power system oriented software
Is powsybl-core actively maintained in 2026? +
Yes, powsybl-core is actively maintained. The latest code push was recorded on Oct 20, 2026 (14 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 190 stars and 241 open issues.
What language is powsybl-core written in? +
The primary language is Java. Topics include: cim, energy-system, extensible, groovy, java.
How many stars does powsybl-core have? +
powsybl-core has 190 stars and 78 forks on GitHub.
How does powsybl-core rank among GitHub repositories? +
With 190 stars, powsybl/powsybl-core is ranked #17,838 globally across all repositories tracked on GitHubRepo and #1,342 among Java projects.
What license is powsybl-core distributed under? +
The repository reports a MPL-2.0 license. Always verify the repository LICENSE file for legal terms.
