portchecker.io

Network Security

portchecker.io is a free online utility to check the port status of a given hostname or IP address.

Track releases GitHub Website

Python Latest v4.0.1 · 2mo ago Security brief →

Features

Open‑source API for checking TCP/UDP port availability on hostnames or IPs
Simple web UI paired with a lightweight backend built with Litestar (Python)
Docker‑based deployment with both development and production stacks

Recent releases

View all 2 releases →

v4.0.1 Bug fix 2mo

Refactored backend Dockerfiles to shrink images, added automated testing, refreshed UI and removed unused analytics, fixed a missing Docker stage target, and upgraded many dependencies to improve stability.

View release on GitHub

Weekly OSS security release digest.

The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

No spam, unsubscribe anytime.

Releases

View all →

Releases per month

Cadence 0.1 / wk

Last release 70d

Tracked 2

Security

Full profile →

Security score 4.0/10

OpenSSF —

Open CVEs 0

SBOM Active maintainer

Community

GitHub stars 191

Forks 9

Open issues 12

Open PRs 4

Stars/wk velocity 0.0

About

Stars

191

Forks

Languages

Python JavaScript HTML

View on GitHub Homepage Documentation

Install & Platforms

Install via

docker

Similar tools

MyIP

Wireshark

portracker

Portall

atlas