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Etar-Group
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Etar-Group/Etar-Calendar

Android open source calendar

Java ◇ android GPL-3.0
★2.6KSTARS
⑂448FORKS
!401ISSUES
🏆#3,590GLOBAL RANK
🔥19DAYS TRENDING
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Momentum

+65

STARS · LAST 30 DAYS

2

PER DAY

#269

MOST-STARRED Java

Window7 days30 days90 days
Stars gained+0+65+180
Per day122
Forks gained+0+9+22

Etar-Calendar gained 65 stars in the last 30 days, about 2 a day, and now has 2.6K. It is about 11 years old and has averaged roughly 237 stars a year. It ranks #269 among Java repositories and #3,590 across all languages on GitHubRepo.

Trending Record

Etar-Calendar has maintained a continuous presence across global trending indexes, peaking at #2531. Below is the 30-day activity profile:

💡 Overview

Etar-Calendar is an open-source project written in Java: Android open source calendar.

Engineered for speed, consistency, and developer ease, it solves common hurdles in android, calendar, material-design. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Java for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/Etar-Group/Etar-Calendar.git
cd Etar-Calendar

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

JDK 17 or higher (OpenJDK / GraalVM)

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

Etar-Calendar 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 Etar-Calendar 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 GPL-3.0 license.

🚀 Getting Started

1

Install Etar-Calendar using your package manager: `git clone https://github.com/Etar-Group/Etar-Calendar.git`

2

Initialize your project workspace or configuration file for Etar-Calendar.

3

Import Etar-Calendar into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `Etar-Calendar --help` to verify successful setup.

👍 Strengths

Active community backing with 2,604 GitHub stars and verified adoption.
Permissive open-source distribution under the GPL-3.0 license.
Built in Java for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Java and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 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

Etar-Group/Etar-Calendar is currently ranked #3,590 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#3,585 loomio/loomio Ruby ★ 2.6K Compare ↗
#3,586 symfony/service-contracts PHP ★ 2.6K Compare ↗
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#3,587 alexbelgium/hassio-addons Shell ★ 2.6K Compare ↗
#3,589 FreeRADIUS/freeradius-server C ★ 2.6K Compare ↗
#3,590 Etar-Group/Etar-Calendar This Project Java ★ 2.6K
#3,590 truenas/middleware Python ★ 2.6K Compare ↗
#3,592 samizdatco/skia-canvas JavaScript ★ 2.6K Compare ↗
#3,592 google/zerocopy Rust ★ 2.6K Compare ↗
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Frequently Asked Questions

What does Etar-Calendar do? +

Android open source calendar

What language is Etar-Calendar written in? +

The primary language is Java. Topics include: android, calendar, material-design.

Is Etar-Calendar actively maintained? +

Yes, the last recorded push was on Oct 2, 2026 with 401 open issues being tracked.

How many stars does Etar-Calendar have? +

Etar-Calendar has 2,606 stars and 448 forks on GitHub.

How does Etar-Calendar rank among GitHub repositories? +

With 2,606 stars, Etar-Group/Etar-Calendar is ranked #3,590 globally across all repositories tracked on GitHubRepo and #269 among Java projects.

What license is Etar-Calendar distributed under? +

The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.

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