Growth · alternatives · 2026

24 alternatives to Theia for Facebook

Reverse Lookup Utility for Facebook (Phone, email, etc)

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Theia for Facebook launched in 2019; newer entries below may have overtaken it.

1. 1
   Anymail finder▲629

   Quickly find anyone's email at any company

   2015 · anymailfinder.com · its alternatives →

2. 2
   Email Hunter for Chrome▲370

   Find all the emails related to a domain with just one click

   2015 · hunter.io · its alternatives →

3. 3FA
   Find anyone's email address on any website with this browser extension▲29

   2015 · datanyze.com · its alternatives →

4. 4
   Enrich My List▲234

   Understand the people behind the emails on your list

   2022 · its alternatives →

5. 5
   Ethi▲469

   Find out what Facebook knows about you, and delete it.

   2020 · its alternatives →

6. 6
   Backstory for Facebook▲97

   Private notes to remember and search for FB friends

   2019 · chromewebstore.google.com · its alternatives →

7. 7
   ContextSmith Free Email Tracker▲121

   Know when and where your emails are read

   2017 · chromewebstore.google.com · its alternatives →

8. 8
   OSINT Tool▲109

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

   2021 · osint-tool.com · its alternatives →

9. 9
   Reverse Email Lookup▲15

   Find Contact Details from Any Email

   2025 · reverselookup.email · its alternatives →

10. 10
    Who Deleted Me▲104

    See who unfriends you on Facebook

    2015 · deleted.io · its alternatives →

11. 11
    Social History▲76

    A chrome extension to help you find profiles you browsed.

    2020 · chromewebstore.google.com · its alternatives →

12. 12
    Finder▲137

    Find all email addresses and technologies from a domain

    2020 · its alternatives →

13. 13
    TrueLeads▲213

    Find anyone's email on LinkedIn 🚀

    2019 · trueleads.com · its alternatives →

14. 14
    Reverse Contact▲323

    Turn an email into a LinkedIn profile and +30 data points

    2023 · reversecontact.com · its alternatives →

15. 15
    Fork.ai Extension▲223

    Identify technologies on mobile app

    2023 · its alternatives →

16. 16
    LeadGibbon▲135

    Find anyone’s email address in just one click.

    2017 · leadgibbon.com · its alternatives →

17. 17
    People Finder▲8

    Free people search & reverse phone number lookup

    2024 · peoplefinder.info · its alternatives →

18. 18
    Belkins Data Enrich▲130

    Find email addresses in seconds

    2020 · its alternatives →

19. 19
    Facebook Memos▲110

    Remember how you met your Facebook friends

    2016 · chromewebstore.google.com · its alternatives →

20. 20
    LinkedIn Email Extractor by mails.wtf▲152

    Extract anyone's email address in a click.

    2020 · mails.wtf · its alternatives →

21. 21
    Friend Filter Pro▲118

    Remove inactive Facebook friends & know who unfriended you

    2021 · its alternatives →

22. 22
    Spokepoint Email Lookup▲97

    Quickly find someone's email address on a domain

    2014 · its alternatives →

23. 23
    Email.Echelon▲102

    Find anybody's work email.

    2017 · its alternatives →

24. 24
    Sidedoor▲121

    Paste any job posting and instantly find who in your network can refer you. Search across Gmail, LinkedIn, Instagram, and friends' connections. Free.

    Jul 2026 · happenstance.ai · its alternatives →

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 →