Life & fun · alternatives · 2026
24 alternatives to Open Port Checker
Port Checker, Online Port Checker, Free Online Port Checker
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Open Port Checker launched in 2024; newer entries below may have overtaken it.
- 1
Port Checker▲87simple tool to check open ports on your computer
2014 · portchecker.co · its alternatives →
- 2

Port Checker is a simple tool to check for open ports and test port forwarding setup on your router. Verify and diagnose connection errors on your computer.
2014 · portchecker.co · its alternatives →
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All-in-one online network diagnostics toolkit
Mar 2026 · openportcheckers.com · its alternatives →
- 8

Expose local http, tcp or websocket connections to the public internet - amalshaji/portr
2024 · github.com · its alternatives →
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golang TCP/UDP port scanner to find open or closed ports
2020 · github.com · its alternatives →
- 11

I built a small CLI tool that answers "what's using my port?" without the lsof/ss/netstat incantation dance.
Feb 2026 · github.com · its alternatives →
- 12

Hi everyone, I recently published a small open-source project. It’s a minimal network packet analyzer written in Go — designed more like a learning toy than a replacement for Wireshark. It currently supports parsing basic protocols like TLS, DNS, and HTTP, and includes a tiny fuzzing engine to test payload responses. You can inspect raw packet content directly from the terminal. The output is colored for readability, and the code structure is kept simple and clear. The entire program is very small — just about 400 lines of Go code. I know it’s not anywhere near Wireshark’s level, and I still…
2025 · github.com · its alternatives →
- 13

Port Kill helps you find and free ports and caches blocking your dev work. - treadiehq/port-kill
2025 · github.com · its alternatives →
- 14AU
Howdy HN! I find myself testing my ping from time to time, especially when my internet seems wonky while WFH. It feels like there should be an easier way test my ping than puling up a terminal or a complex web app - especially when I'm on my phone or any other device that doesn't have a terminal. I figured I should be the change I wish to see in the world and created this super light ping test. I also created a latency monitoring solution (https://github.com/cjjeakle/network-monitor), feel free to clone and try it out! I know there are a lot more mature monitoring…
2022 · ping.projects.chrisjeakle.com · its alternatives →
- 15

Find, open and kill ports in a couple of clicks. Works with Node, Python, Ruby, PHP, HTTP and pretty much any process listening on a TCP port.
2019 · portmanager.app · its alternatives →
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TraceWarrior▲14Free network diagnostic tools for it professionals
2025 · tracewarrior.com · its alternatives →
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ISP.Tools▲15Instant global network diagnostics for ISPs and engineers.
Nov 2025 · isp.tools · its alternatives →
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Pinger Man▲10Track websites, domains, SSL & ports in a single dashboard
2025 · pingerman.com · its alternatives →
- 20IB
I found it odd there wasn’t a simple web tool to scan Docker Hub images for vulnerabilities. So I built one. It’s powered by the popular open-source tool Trivy.
2023 · containercve.com · its alternatives →
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List, wake and scan nodes in a network. Contribute to pojntfx/liwasc development by creating an account on GitHub.
2021 · github.com · its alternatives →
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📶 Troubleshoot problems with your Internet connection - jesusprubio/up
2019 · github.com · its alternatives →
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Free Online Ping Tool for Network Diagnostics
Jul 2026 · cbrtool.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →