jwiegley/periods
Common Lisp library for manipulating date/time objects at a higher level
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Momentum
+10
STARS · LAST 30 DAYS
1
PER DAY
#14
MOST-STARRED Common Lisp
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
periods gained 10 stars in the last 30 days, about 1 a day, and now has 35. It is about 18 years old and has averaged roughly 2 stars a year. It ranks #14 among Common Lisp repositories and #17,899 across all languages on GitHubRepo.
Trending Record
30
DAYS ON TRENDING
#100
BEST RANK
Feb 1, 2009
FIRST APPEARANCE
Active
STATUS TODAY
periods has maintained a continuous presence across global trending indexes, peaking at #100. Below is the 30-day activity profile:
💡 Overview
periods is an open-source project written in Common Lisp: Common Lisp library for manipulating date/time objects at a higher level.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Common Lisp. 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 Common Lisp 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/jwiegley/periods.git
cd periods
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Common Lisp environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
periods coordinates its core functionality through a modular Common Lisp 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 periods into Common Lisp 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 source license.
🚀 Getting Started
Install periods using your package manager: `git clone https://github.com/jwiegley/periods.git`
Initialize your project workspace or configuration file for periods.
Import periods into your codebase or invoke it directly from your terminal.
Execute your test suite or run `periods --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Common Lisp, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
jwiegley/periods is currently ranked #17,899 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #17,849 | SalarFarahani/Wokyintosh | Swift | ★ 36 | Compare ↗ |
| #17,849 | jazzenchen/agent-hud-open | Swift | ★ 36 | Compare ↗ |
| #17,849 | OreoMuncher45/cassette | Go | ★ 36 | Compare ↗ |
| #17,849 | elliotttate/SpatialSlideshow | Swift | ★ 36 | Compare ↗ |
| #17,849 | bughunter11/Islandify | Kotlin | ★ 36 | Compare ↗ |
| #17,899 | jwiegley/periods This Project | Common Lisp | ★ 35 | |
| #17,899 | jasonroelofs/rbgccxml | Ruby | ★ 35 | Compare ↗ |
| #17,899 | zwily/iphototogallery | Objective-C | ★ 35 | Compare ↗ |
| #17,899 | programming-nu/programming-nu | Nu | ★ 35 | Compare ↗ |
| #17,899 | Pistos/better-benchmark | Ruby | ★ 35 | Compare ↗ |
| #17,899 | notahat/time_travel | Ruby | ★ 35 | Compare ↗ |
Frequently Asked Questions
What does periods do? +
Common Lisp library for manipulating date/time objects at a higher level
What language is periods written in? +
The primary language is Common Lisp. Topics include: software.
Is periods actively maintained? +
Yes, the last recorded push was on Aug 23, 2025 with 5 open issues being tracked.
How many stars does periods have? +
periods has 35 stars and 14 forks on GitHub.
How does periods rank among GitHub repositories? +
With 35 stars, jwiegley/periods is ranked #17,899 globally across all repositories tracked on GitHubRepo and #14 among Common Lisp projects.
What license is periods distributed under? +
No SPDX license identified yet. Code without a license is subject to copyright by default.