Security and privacy/Listed Oct 31, 2026

SpiderFoot

“SpiderFoot is a free online OSINT tool for investigating usernames across 2500+ public sites in 15+ categories. Use SpiderFoot online without installing the software.”spiderfoot.app

Free · Open source

Price

Free

Free to use

Free plan
Yes
Open source
Yes
Category
Security and privacy

From the maker

No word from the maker yet.

If you built SpiderFoot, claim this page and say in a few lines why you made it and who it's for.

Claim this page

Pricing

SpiderFoot pricing

Paid plans

None

No paid plan listed

Free plan

Yes

Free tier available

Free trial

None

No trial listed

From the spiderfoot.app pricing page, checked Oct 31, 2026. Prices change, so confirm on their site.

Questions

Questions about SpiderFoot

What it does
Username search
Listed
Oct 31, 2026

Is SpiderFoot free?

Yes. SpiderFoot is free to use.

Is SpiderFoot open source?

Yes. The code is on github.com.

What are some alternatives to SpiderFoot?

Other security and privacy tools listed here include Atomic VPN and Shoo!. The table below compares their price, free plan and source code.

Alternatives

Alternatives to SpiderFoot

Other security and privacy tools listed here, compared on the same facts.

Product
SpiderFoot This page

SpiderFoot is a free online OSINT tool for investigating usernames across 2500+ public sites in 15+ categories. Use SpiderFoot online without installing the software.

Free · Free plan yes

Atomic VPN

A VPN that keeps zero data: RAM-only servers, independently audited no-log policy, WireGuard speed. 5 devices, 88+ countries, $1.99/month. Try Atomic VPN.

From $1.99/mo · Free plan no

Shoo!

Shoo! is a Mac app locker: locks any app behind Touch ID in one click. No overlay, no permissions, no subscription - hand over your Mac, not your privacy.

From $17.99 once · Free plan no

All security and privacy tools

Did you make SpiderFoot?

Claiming works by email. We send a one-time link to the contact address on spiderfoot.app. Open it, sign in with Google or GitHub, and write about SpiderFoot in your own words. The page goes into Google search once you have, and you can see how many visits it sends you.