Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP and Jakarta adapters.
⚡ Executive Summary & Quick Facts
Authoritative Sourceowasp-java-encoder is owasp-java-encoder is an open-source project written in Java: Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), OWASP/owasp-java-encoder has accumulated 548 GitHub stars and 130 forks. It is written in Java, licensed under BSD-3-Clause, and ranks #11,809 globally. It is actively maintained with the latest commit recorded on Nov 2, 2026.”
| Repository | OWASP/owasp-java-encoder ↗ |
|---|---|
| Primary Category | css |
| Language & Stack | Java |
| Software License | BSD-3-Clause |
| Community Traction | ★ 548 stars · ⑂ 130 forks · #11,809 globally |
| Maintenance | ● Active (Last commit: Nov 2, 2026) · 2 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, owasp-java-encoder is actively maintained. Continuous telemetry recorded the last code commit on Nov 2, 2026 (11 days ago). Supported by 548 stars and 130 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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+3
STARS · LAST 30 DAYS
1
PER DAY
#838
MOST-STARRED Java
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +3 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +1 | +10 |
owasp-java-encoder gained 3 stars in the last 30 days, about 1 a day, and now has 548. It is about 12 years old and has averaged roughly 46 stars a year. It ranks #838 among Java repositories and #11,809 across all languages on GitHubRepo.
Trending Record
40
DAYS ON TRENDING
#2215
BEST RANK
Sep 28, 2026
FIRST APPEARANCE
Active
STATUS TODAY
owasp-java-encoder has maintained a continuous presence across global trending indexes, peaking at #2215. Below is the 30-day activity profile:
💡 Overview
owasp-java-encoder is an open-source project written in Java: Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters.
Engineered for speed, consistency, and developer ease, it solves common hurdles in css, esapi, html. 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/OWASP/owasp-java-encoder.git
cd owasp-java-encoder⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17 or higher (OpenJDK / GraalVM)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
owasp-java-encoder 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 owasp-java-encoder 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 BSD-3-Clause license.
🚀 Getting Started
Install owasp-java-encoder using your package manager: `git clone https://github.com/OWASP/owasp-java-encoder.git`
Initialize your project workspace or configuration file for owasp-java-encoder.
Import owasp-java-encoder into your codebase or invoke it directly from your terminal.
Execute your test suite or run `owasp-java-encoder --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
OWASP/owasp-java-encoder is currently ranked #11,809 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #11,801 | project-blinc/Blinc | Rust | ★ 549 | Compare ↗ |
| #11,801 | MrDrElliot/LuminaEngine | C++ | ★ 549 | Compare ↗ |
| #11,801 | ljtn/epiq | TypeScript | ★ 549 | Compare ↗ |
| #11,801 | BennyKok/omg.dev | TypeScript | ★ 549 | Compare ↗ |
| #11,801 | Calcium-Ion/AstrLink | Go | ★ 549 | Compare ↗ |
| #11,809 | OWASP/owasp-java-encoder This Project | Java | ★ 548 | |
| #11,809 | idmillington/aicore | C++ | ★ 548 | Compare ↗ |
| #11,809 | isaced/ISEmojiView | Swift | ★ 548 | Compare ↗ |
| #11,809 | grafana/grafana-image-renderer | Go | ★ 548 | Compare ↗ |
| #11,809 | pion/rtwatch | Go | ★ 548 | Compare ↗ |
| #11,809 | cvilsmeier/sqinn-go | Go | ★ 548 | Compare ↗ |
Frequently Asked Questions
What does owasp-java-encoder do? +
Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP and Jakarta adapters.
Is owasp-java-encoder actively maintained in 2026? +
Yes, owasp-java-encoder is actively maintained. The latest code push was recorded on Nov 2, 2026 (11 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 548 stars and 2 open issues.
What language is owasp-java-encoder written in? +
The primary language is Java. Topics include: css, html, jakarta, java, javascript.
How many stars does owasp-java-encoder have? +
owasp-java-encoder has 548 stars and 130 forks on GitHub.
How does owasp-java-encoder rank among GitHub repositories? +
With 548 stars, OWASP/owasp-java-encoder is ranked #11,809 globally across all repositories tracked on GitHubRepo and #838 among Java projects.
What license is owasp-java-encoder distributed under? +
The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.
