Automattic/harper
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
Star History
Momentum
+400
STARS · LAST 30 DAYS
13
PER DAY
#67
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +91 | +400 | +1.2K |
| Per day | 13 | 13 | 13 |
| Forks gained | +3 | +14 | +34 |
harper gained 400 stars in the last 30 days, about 13 a day, and now has 16K. It is about 3 years old and has averaged roughly 5.3K stars a year. It ranks #67 among Rust repositories and #517 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#176
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
harper has maintained a continuous presence across global trending indexes, peaking at #176. Below is the 30-day activity profile:
💡 Overview
harper is an open-source project written in Rust: Offline, privacy-first grammar checker. Fast, open-source, Rust-powered.
Engineered for speed, consistency, and developer ease, it solves common hurdles in chrome-extension, developer-tools, english-language. 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 Rust 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
$ cargo install harper⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Rust toolchain (rustc / cargo >= 1.70)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
harper coordinates its core functionality through a modular Rust 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
Modern Web Interfaces
Build dynamic, responsive user experiences with component-driven architecture.
Enterprise Design Systems
Standardize design tokens, accessible widgets, and themes across engineering teams.
Interactive Data Dashboards
Render real-time telemetry, user feeds, and analytics with sub-millisecond updates.
Cross-Platform Web Apps
Deploy performant single-page applications optimized for both mobile and desktop browsers.
🚀 Getting Started
Install harper using your package manager: `cargo install harper`
Initialize your project workspace or configuration file for harper.
Import harper into your codebase or invoke it directly from your terminal.
Execute your test suite or run `harper --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
Automattic/harper is currently ranked #517 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #512 | cryptomator/cryptomator | Java | ★ 16.2K | Compare ↗ |
| #513 | FreshRSS/FreshRSS | PHP | ★ 16.2K | Compare ↗ |
| #514 | Jackett/Jackett | C# | ★ 16.1K | Compare ↗ |
| #515 | alibaba/zvec | C++ | ★ 16K | Compare ↗ |
| #516 | apache/doris | Java | ★ 16K | Compare ↗ |
| #517 | Automattic/harper This Project | Rust | ★ 16K | |
| #518 | ArduPilot/ardupilot | C++ | ★ 15.9K | Compare ↗ |
| #519 | dutchcoders/transfer.sh | Go | ★ 15.9K | Compare ↗ |
| #520 | remarkjs/react-markdown | JavaScript | ★ 15.9K | Compare ↗ |
| #521 | zaproxy/zaproxy | Java | ★ 15.8K | Compare ↗ |
| #522 | jasmine/jasmine | JavaScript | ★ 15.8K | Compare ↗ |
Frequently Asked Questions
What does harper do? +
Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
What language is harper written in? +
The primary language is Rust. Topics include: chrome-extension, developer-tools, english-language, grammar-checker, nodejs.
Is harper actively maintained? +
Yes, the last recorded push was on Sep 28, 2026 with 945 open issues being tracked.
How many stars does harper have? +
harper has 15,993 stars and 687 forks on GitHub.
How does harper rank among GitHub repositories? +
With 15,993 stars, Automattic/harper is ranked #517 globally across all repositories tracked on GitHubRepo and #67 among Rust projects.
What license is harper distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
