OSS Discovery

UN
Global
SECURITY & PRIVACY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREEMIUM
CrowdSec

CROWDSEC

"CrowdSec: Open-source, participative protection against malicious IPs. Harness crowd-powered insights & ultra-curated data to block threats with precision. Say goodbye to overblocking, false positives & VPN/residential proxy detection issues. Elevate your cyber threat intelligence with a fail-proof, collaborative approach, empowering your security stack & targets with actionable data."

GITHUB STARS
13k
+12% this month
FORKS
602
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
119
Tracking updates
LICENSE
MIT
Commercial use
"CrowdSec: Open-source, participative protection against malicious IPs. Harness crowd-powered insights & ultra-curated data to block threats with precision. Say goodbye to overblocking, false positives & VPN/residential proxy detection issues. Elevate your cyber threat intelligence with a fail-proof, collaborative approach, empowering your security stack & targets with actionable data."

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

Go
Go
Shell
Shell
Python
Python
HTML
HTML
Makefile
Makefile
PowerShell
PowerShell
Ruby
Ruby
Dockerfile
Dockerfile

VISUAL INTERFACE

Screenshot 1
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Screenshot 3

The Quick Glance

Status
Active
Category
Security & Privacy
Pricing
Freemium
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
v1.7.7
Mar 30, 2026

Relative Standing — across 1,284 tools

STARS13k
Top 29% globally
FORKS602
Top 45% in Open Source
ACTIVITYVery High
Top 7% Activity
WATCHERS119
Top 30% Community