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Dev tools · alternatives · 2026

24 alternatives to Domain Dossier

Free OSINT tool for investigating domains.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    hey guys, wanted to show one of my side projects i just made public. the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed. it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search. would…

    Jul 2026 · search.cerast-intelligence.com · its alternatives →

  2. 2

    Free & premium OSINT tools collection

    2024 · osint.broker · its alternatives →

  3. 3

    The only OSINT tool you will ever need

    2023 · osint-tool.com · its alternatives →

  4. 4

    Find hidden domain relationships with OSINT

    Apr 2026 · osintdomain.com · its alternatives →

  5. 5

    Expired domains, made easy

    2024 · its alternatives →

  6. 6

    Free & Private domain research - right in your browser

    Dec 2025 · domaindetails.com · its alternatives →

  7. 7MN

    2013 · shortdomainsearch.net · its alternatives →

  8. 8

    I work on R00M 101, a Reddit-based OSINT profiler. While building it, I realized most open-source intelligence (OSINT) tools are scattered across GitHub, outdated blog posts, or random Discords. So I put together a public-facing directory of 100+ OSINT tools used by analysts, journalists, and security folks, free, filterable, and categorized by risk, platform, and use case. The idea was to make something useful and no-friction. Built with static HTML + SQL backend + a lot of caffeine. Would love feedback on how to improve the UX or tool curation. If anyone wants to contribute tools or help…

    2025 · r00m101.com · its alternatives →

  9. 9

    All the Domains Tools you need in a Notion Dashboard !

    2022 · its alternatives →

  10. 10

    Chrome extension looks up phone/email/IP/people via APIs

    2021 · osint-tool.com · its alternatives →

  11. 11

    Search free to register expired domains

    2015 · edoms.com · its alternatives →

  12. 12

    Hello Hacker News community, We are excited to announce the launch of KIT.DOMAINS, our new tool designed to simplify the management and monitoring of domains. KIT DOMAINS is a convenient and reliable solution for tracking the status of your domains and SSL certificates. With KIT DOMAINS, you will receive timely notifications about expirations and emerging issues, ensuring your sites remain operational and secure. Key features: - Expiration Tracking: Monitor the expiration dates of your domains to prevent accidental lapses. - SSL Certificate Monitoring: Keep your SSL certificates up-to-date…

    2024 · kit.domains · its alternatives →

  13. 13

    Free OSINT & Cybersecurity Tools. No Signup Required.

    Jun 2026 · its alternatives →

  14. 14
    tldx▲109

    Fast CLI to bulk-check domains via RDAP & MCP

    May 2026 · github.com · its alternatives →

  15. 15

    Domain availability checker

    2025 · domainaide.com · its alternatives →

  16. 16

    A project which groups together curated open source intelligence tools, frameworks, and techniques.

    Apr 2026 · osintradar.com · its alternatives →

  17. 17KT

    Find Your Perfect Domain. Dozens of domain name tools curated, organized and rated.

    2011 · domaingroovy.com · its alternatives →

  18. 18IC
  19. 19DC

    We have finally launched Domfetch! Domfetch is a free platform to find expired domains. Users can search through domains that are (almost) available for registration. We enrich these domains with extra data to help users find valuable domains. We created this tool because we found the (free) alternatives lacking certain data, such as Moz, Alexa history (we check 5 years of data) & search volume history over a period of 1 year. Let us know what you think! More features and tld's will be added in the near future.

    2022 · domfetch.com · its alternatives →

  20. 20IS
  21. 21

    Free osint username search tool

    2025 · whatsmyname.io · its alternatives →

  22. 22

    Domain, nameserver lookup & IP tools

    2023 · whoisos.com · its alternatives →

  23. 23AF
  24. 24

    Free ip number lookup online tool!

    2024 · 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 →