Alternatives

The Best Columbus Project Alternatives in 2026

7 alternatives2 free · 5 open source

Looking for something like Columbus Project? Here are 7 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 5 are open source.

About Columbus Projectgithub.com/elmasy-com/columbus
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Discover subdomains and review DNS history through the Columbus subdomain discovery service.

PricingNot confirmed
Platforms—

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#AlternativePricingOpen sourcePlatforms
1Squatm3gator —Yes—
2Dnstwist —Yes—
3Subhunt —Yes—
4openSquat —Yes—
5dnsx —Yes—
6ViewDNS.info FreemiumNot statedWeb
7DNS History FreemiumNot statedWeb
7 shown

All Columbus Project alternatives

5

dnsx

github.com/projectdiscovery/dnsxOpen source
Also covers open source · same kind of open-source project

dnsx provides a fast DNS reconnaissance toolkit for resolving records and collecting DNS information from domains.

No alternatives match this filter.

Alternatives to similar tools

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What is the best alternative to Columbus Project?
Based on features, tags and platforms, the closest alternatives to Columbus Project are Squatm3gator, Dnstwist, and Subhunt.
Is there a free alternative to Columbus Project?
Yes. ViewDNS.info and DNS History are free or offer a free plan.
Are there open-source alternatives to Columbus Project?
Yes: Squatm3gator, Dnstwist, Subhunt, and openSquat.

Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative