crowdsecurity/crowdsec
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Star History
Momentum
+375
STARS · LAST 30 DAYS
13
PER DAY
#80
MOST-STARRED Go
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +91 | +375 | +1.2K |
| Per day | 13 | 13 | 13 |
| Forks gained | +4 | +14 | +36 |
crowdsec gained 375 stars in the last 30 days, about 13 a day, and now has 15K. It is about 6 years old and has averaged roughly 2.5K stars a year. It ranks #80 among Go repositories and #538 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#382
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
crowdsec has maintained a continuous presence across global trending indexes, peaking at #382. Below is the 30-day activity profile:
💡 Overview
crowdsec is an open-source project written in Go: Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Engineered for speed, consistency, and developer ease, it solves common hurdles in anti-bot, blocklist, bot-detection. 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 Go 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
$ go install github.com/crowdsecurity/crowdsec@latest⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Go >= 1.21 runtime environment
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
crowdsec coordinates its core functionality through a modular Go 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 crowdsec into Go 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 MIT license.
🚀 Getting Started
Install crowdsec using your package manager: `go install github.com/crowdsecurity/crowdsec@latest`
Initialize your project workspace or configuration file for crowdsec.
Import crowdsec into your codebase or invoke it directly from your terminal.
Execute your test suite or run `crowdsec --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Go, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
crowdsecurity/crowdsec is currently ranked #538 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #533 | lynx-family/lynx | C++ | ★ 15.1K | Compare ↗ |
| #534 | keycastr/keycastr | Objective-C | ★ 15.1K | Compare ↗ |
| #535 | languagetool-org/languagetool | Java | ★ 15.1K | Compare ↗ |
| #536 | oauth2-proxy/oauth2-proxy | Go | ★ 15K | Compare ↗ |
| #537 | dwarvesf/hidden | Swift | ★ 15K | Compare ↗ |
| #538 | crowdsecurity/crowdsec This Project | Go | ★ 15K | |
| #539 | grokability/snipe-it | PHP | ★ 15K | Compare ↗ |
| #540 | showdownjs/showdown | JavaScript | ★ 14.9K | Compare ↗ |
| #541 | dotnet/efcore | C# | ★ 14.8K | Compare ↗ |
| #542 | microg/GmsCore | Java | ★ 14.7K | Compare ↗ |
| #543 | logto-io/logto | TypeScript | ★ 14.6K | Compare ↗ |
Frequently Asked Questions
What does crowdsec do? +
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
What language is crowdsec written in? +
The primary language is Go. Topics include: anti-bot, blocklist, bot-detection, bot-protection, cybersecurity.
Is crowdsec actively maintained? +
Yes, the last recorded push was on Sep 28, 2026 with 300 open issues being tracked.
How many stars does crowdsec have? +
crowdsec has 14,992 stars and 722 forks on GitHub.
How does crowdsec rank among GitHub repositories? +
With 14,992 stars, crowdsecurity/crowdsec is ranked #538 globally across all repositories tracked on GitHubRepo and #80 among Go projects.
What license is crowdsec distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
