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Two developer & design tools, side-by-side. See which fits your task.
Developer & Design
Searchable table of 80+ common network ports with protocol and service info.
Open Port ReferenceDeveloper & Design
Posthog — env variables-reference for developers and ops.
Open posthog env variables-referenceYour specific task is searchable table of 80+ common network ports with protocol and service info. Open the page, drop your input, get the result — typically under a second.
Your goal is posthog — env variables-reference for developers and ops. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Port Reference focuses on searchable table of 80+ common network ports with protocol and service info; posthog env variables-reference focuses on posthog — env variables-reference for developers and ops. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Port Reference and posthog env variables-reference work without signup. We only ask for an email if you decide to subscribe to a paid plan.