johanhaleby/occurrent
Unintrusive Event Sourcing Library for the JVM
⚡ Executive Summary & Quick Facts
Authoritative Sourceoccurrent is occurrent is an open-source project written in Java: Unintrusive Event Sourcing Library for the JVM..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), johanhaleby/occurrent has accumulated 167 GitHub stars and 21 forks. It is written in Java, licensed under Apache-2.0, and ranks #20,952 globally. It is actively maintained with the latest commit recorded on Oct 31, 2026.”
| Repository | johanhaleby/occurrent ↗ |
|---|---|
| Primary Category | cloud events |
| Language & Stack | Java |
| Software License | Apache-2.0 |
| Community Traction | ★ 167 stars · ⑂ 21 forks · #20,952 globally |
| Maintenance | ● Active (Last commit: Oct 31, 2026) · 211 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, occurrent is actively maintained. Continuous telemetry recorded the last code commit on Oct 31, 2026 (13 days ago). Supported by 167 stars and 21 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/johanhaleby/occurrent?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/johanhaleby/occurrent?utm_source=readme_badge) [](https://githubrepo.cloud/repo/johanhaleby/occurrent?utm_source=readme_badge) [](https://githubrepo.cloud/repo/johanhaleby/occurrent?utm_source=readme_badge) [](https://githubrepo.cloud/repo/johanhaleby/occurrent?utm_source=readme_badge) [](https://githubrepo.cloud/repo/johanhaleby/occurrent?utm_source=readme_badge)Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#1,539
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 |
occurrent gained 10 stars in the last 30 days, about 1 a day, and now has 167. It is about 6 years old and has averaged roughly 28 stars a year. It ranks #1,539 among Java repositories and #20,952 across all languages on GitHubRepo.
Trending Record
9
DAYS ON TRENDING
#17669
BEST RANK
Nov 1, 2026
FIRST APPEARANCE
Active
STATUS TODAY
occurrent has maintained a continuous presence across global trending indexes, peaking at #17669. Below is the 30-day activity profile:
💡 Overview
occurrent is an open-source project written in Java: Unintrusive Event Sourcing Library for the JVM.
Engineered for speed, consistency, and developer ease, it solves common hurdles in cloud-events, event-sourcing, java. 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/johanhaleby/occurrent.git
cd occurrent⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
occurrent 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 occurrent 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 Apache-2.0 license.
🚀 Getting Started
Install occurrent using your package manager: `git clone https://github.com/johanhaleby/occurrent.git`
Initialize your project workspace or configuration file for occurrent.
Import occurrent into your codebase or invoke it directly from your terminal.
Execute your test suite or run `occurrent --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
johanhaleby/occurrent is currently ranked #20,952 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #20,893 | revyme-web/builder | TypeScript | ★ 168 | Compare ↗ |
| #20,893 | lunar-landing/qualia | Java | ★ 168 | Compare ↗ |
| #20,893 | danielroe/airspace | TypeScript | ★ 168 | Compare ↗ |
| #20,893 | InsaneArts/atlas | Rust | ★ 168 | Compare ↗ |
| #20,893 | WhiteDNS/Soar-Server | Go | ★ 168 | Compare ↗ |
| #20,952 | johanhaleby/occurrent This Project | Java | ★ 167 | |
| #20,952 | tcurdt/feedbackreporter | Objective-C | ★ 167 | Compare ↗ |
| #20,952 | alexd/metapad | C | ★ 167 | Compare ↗ |
| #20,952 | directeur/django-sorting | Python | ★ 167 | Compare ↗ |
| #20,952 | binarylogic/authlogic_openid | Ruby | ★ 167 | Compare ↗ |
| #20,952 | reenigne/reenigne | C++ | ★ 167 | Compare ↗ |
Frequently Asked Questions
What does occurrent do? +
Unintrusive Event Sourcing Library for the JVM
Is occurrent actively maintained in 2026? +
Yes, occurrent is actively maintained. The latest code push was recorded on Oct 31, 2026 (13 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 167 stars and 211 open issues.
What language is occurrent written in? +
The primary language is Java. Topics include: cloud-events, event-sourcing, java, kotlin.
How many stars does occurrent have? +
occurrent has 167 stars and 21 forks on GitHub.
How does occurrent rank among GitHub repositories? +
With 167 stars, johanhaleby/occurrent is ranked #20,952 globally across all repositories tracked on GitHubRepo and #1,539 among Java projects.
What license is occurrent distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
