FossifyOrg/Calendar
A simple calendar with events, customizable widgets and no ads.
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+55
STARS · LAST 30 DAYS
2
PER DAY
#121
MOST-STARRED Kotlin
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +14 | +55 | +180 |
| Per day | 2 | 2 | 2 |
| Forks gained | +1 | +5 | +11 |
Calendar gained 55 stars in the last 30 days, about 2 a day, and now has 2.2K. It is about 4 years old and has averaged roughly 554 stars a year. It ranks #121 among Kotlin repositories and #3,450 across all languages on GitHubRepo.
Trending Record
3
DAYS ON TRENDING
#5065
BEST RANK
Oct 10, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Calendar has maintained a continuous presence across global trending indexes, peaking at #5065. Below is the 30-day activity profile:
💡 Overview
Calendar is an open-source project written in Kotlin: A simple calendar with events, customizable widgets and no ads.
Engineered for speed, consistency, and developer ease, it solves common hurdles in android, calendar, foss. 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/FossifyOrg/Calendar.git
cd Calendar⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
JDK 17+, Kotlin compiler >= 1.9
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Calendar 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 Calendar 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 GPL-3.0 license.
🚀 Getting Started
Install Calendar using your package manager: `git clone https://github.com/FossifyOrg/Calendar.git`
Initialize your project workspace or configuration file for Calendar.
Import Calendar into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Calendar --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
FossifyOrg/Calendar is currently ranked #3,450 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,444 | bmorcelli/Launcher | C++ | ★ 2.2K | Compare ↗ |
| #3,446 | GoldenCheetah/GoldenCheetah | Standard ML | ★ 2.2K | Compare ↗ |
| #3,446 | lobehub/lobe-ui | TypeScript | ★ 2.2K | Compare ↗ |
| #3,446 | yyjeqhc/webcodex | Rust | ★ 2.2K | Compare ↗ |
| #3,449 | kubernetes-sigs/karpenter | Go | ★ 2.2K | Compare ↗ |
| #3,450 | FossifyOrg/Calendar This Project | Kotlin | ★ 2.2K | |
| #3,451 | jdx/fnox | Rust | ★ 2.2K | Compare ↗ |
| #3,452 | aws/aws-sdk-cpp | C++ | ★ 2.2K | Compare ↗ |
| #3,452 | lkarlslund/Adalanche | Go | ★ 2.2K | Compare ↗ |
| #3,452 | tauri-apps/tao | Rust | ★ 2.2K | Compare ↗ |
| #3,455 | Blizzard/node-rdkafka | JavaScript | ★ 2.2K | Compare ↗ |
Frequently Asked Questions
What does Calendar do? +
A simple calendar with events, customizable widgets and no ads.
What language is Calendar written in? +
The primary language is Kotlin. Topics include: android, calendar, foss, kotlin, open-source.
Is Calendar actively maintained? +
Yes, the last recorded push was on Oct 10, 2026 with 314 open issues being tracked.
How many stars does Calendar have? +
Calendar has 2,215 stars and 227 forks on GitHub.
How does Calendar rank among GitHub repositories? +
With 2,215 stars, FossifyOrg/Calendar is ranked #3,450 globally across all repositories tracked on GitHubRepo and #121 among Kotlin projects.
What license is Calendar distributed under? +
The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.
