Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · OSINT Tools

Intelligence X vs theHarvester

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Intelligence X #6 in OSINT Tools 7.7/10 Free plan · 7-day trial Free planFree trial✓ 4 of 6 features Visit Intelligence X
theHarvester #8 in OSINT Tools 7.5/10 Free plan Free plan✓ 4 of 6 features Visit theHarvester

Intelligence X leads on 0 checks, theHarvester on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIntelligence X · 7.7/10
  • Free planboth
  • Free trialonly Intelligence X

Intelligence X scores higher on our rubric for osint tools: 7.7 against 7.5 out of 10; our editors rank them #6 and #8.

Intelligence X is the better fit for searching indexed leaks and historical web data. theHarvester is the better fit for free domain and organization reconnaissance.

  • Intelligence X fits best

    Searching indexed leaks and historical web data

  • theHarvester fits best

    Free domain and organization reconnaissance

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Intelligence X 7.7/10 Visit ↗ theHarvester 7.5/10 Visit ↗
At a glance
Editor score 7.7 7.5
Ranking #6 in OSINT Tools #8 in OSINT Tools
Best for Searching indexed leaks and historical web data Free domain and organization reconnaissance
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial 7 days —
Deployment Cloud Self-hosted, Cloud
Platforms Web Linux, Web
Support Email Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Intelligence X 4/6 · theHarvester 4/6
Social source search Not checked yet —
Domain & IP lookup ✓ ✓
Monitoring & alerts ✓ ✓
Link analysis Not checked yet Not checked yet
API access ✓ ✓
Data export ✓ ✓
Our review
Pros
  • Searches paste, darknet, leak, Whois, DNS and public-web sources
  • Searches selectors from email addresses to IPs and crypto addresses
  • Offers historical files, alerts, exports and API access
  • Collects intelligence across search, certificate, DNS, code, and threat sources
  • Normalizes findings and lets users review evidence and hostname changes
  • Offers scheduling, a local REST API, and JSONL or SQLite exports
Cons
  • Search limits and alert allowances vary by paid plan
  • Identity Portal features require that separate plan
  • Enterprise-focused tools may exceed solo investigators' needs
  • Its verified focus is domain and organization intelligence, not social sources
  • Setup and interfaces can vary as the project is rapidly updated
  • Its documentation supports Linux installation; broader OS support is unverified
Our verdict

Intelligence X is an OSINT search engine and data archive for researchers, investigators, and teams looking across public web sources, paste sites, leaks, and darknet collections. Searches can use selectors such as email addresses,…

Read the review →

For early-stage reconnaissance in an authorized security assessment, theHarvester collects public-source intelligence about a domain or organization. It draws from categories including search engines, certificate transparency logs, DNS…

Read the review →
  1. Intelligence XOSINT Tools 7.7Free plan · 7-day trial
  2. theHarvesterOSINT Tools 7.5Free plan

Strengths and trade-offs

  • Intelligence X — where it wins

    • Searches paste, darknet, leak, Whois, DNS and public-web sources
    • Searches selectors from email addresses to IPs and crypto addresses
    • Offers historical files, alerts, exports and API access

    Where it doesn't

    • Search limits and alert allowances vary by paid plan
    • Identity Portal features require that separate plan
    • Enterprise-focused tools may exceed solo investigators' needs
  • theHarvester — where it wins

    • Collects intelligence across search, certificate, DNS, code, and threat sources
    • Normalizes findings and lets users review evidence and hostname changes
    • Offers scheduling, a local REST API, and JSONL or SQLite exports

    Where it doesn't

    • Its verified focus is domain and organization intelligence, not social sources
    • Setup and interfaces can vary as the project is rapidly updated
    • Its documentation supports Linux installation; broader OS support is unverified

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update