Dev tools · alternatives · 2026

24 alternatives to SiteStacks

Discover the complete tech stack of any website

SiteStacks is a web-based tool that identifies the technology stack used by any website. Users enter a URL and receive detailed information about the software, frameworks, and services powering that site. The service… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SiteStacks launched in 2017; newer entries below may have overtaken it.

1. 1
   SiteStacks▲56

   Discover the complete tech stack of any website

   2018 · its alternatives →

2. 2
   SiteStacks for Chrome▲239

   Instant advanced tech lookup for any website

   2017 · chromewebstore.google.com · its alternatives →

3. 3
   SiteStacks for Firefox▲148

   Simple Firefox extension for advanced tech lookup of any URL

   2017 · addons.mozilla.org · its alternatives →

4. 4
   RevealStack▲105

   Unveil the technology behind websites

   2024 · its alternatives →

5. 5SW
   See what the best startups in the world are using▲261

   2013 · leanstack.io · its alternatives →

6. 6DT
   Discover the tech stack for any website▲53

   2017 · sitestacks.com · its alternatives →

7. 7
   Sitechecker▲303

   Toolkit to measure and track website SEO performance

   2020 · sitechecker.pro · its alternatives →

8. 8
   Memberstack▲850

   The no-code membership platform for any website

   2019 · memberstack.com · its alternatives →

9. 9
   SkillStack▲94

   A curated directory of resources to learn digital skills.

   2016 · skillstack.co · its alternatives →

10. 10
    Filestack▲221

    A complete file infrastructure for web & mobile apps.

    2016 · filestack.com · its alternatives →

11. 11
    Hunter TechLookup▲334

    Create lists of websites by technology for free

    2017 · its alternatives →

12. 12
    WebGazer▲281

    Free website monitoring service

    2018 · webgazer.io · its alternatives →

13. 13
    Hunter TechLookup 2.0▲250

    List websites by technologies

    2020 · hunter.io · its alternatives →

14. 14SA
    Sitebulb, a website crawler and auditor for SEOs▲120

    Sitebulb is the revolutionary website crawler for better SEO audits. Twice winner of Best Search Software Tool. Desktop & Cloud crawling without compromise!

    2017 · sitebulb.com · its alternatives →

15. 15
    CareerStack▲166

    Curated directory of job search resources & tools

    2016 · careerstack.io · its alternatives →

16. 16
    Sitebulb▲146

    Crawl and visualize your website structure

    2017 · sitebulb.com · its alternatives →

17. 17
    Linkstacks▲4

    Redefine the way you follow, organize and share Web content

    2019 · linkstacks.io · its alternatives →

18. 18
    StartupStack▲156

    Find the startups that use your favorite tech stack

    2014 · its alternatives →

19. 19WS
    Web site I built last night that takes screenshots of web sites▲30

    2013 · sitegazer.herokuapp.com · its alternatives →

20. 20
    Uptain▲116

    Identify technologies on websites

    2021 · uptain.xyz · its alternatives →

21. 21
    Hackertab.dev▲113

    Hottest programming trends right in your tab 🔥

    2021 · hackertab.dev · its alternatives →

22. 22
    Libscore▲106

    Scans web sites to collect stats on JavaScript library usage

    2014 · libscore.com · its alternatives →

23. 23
    SR Company Tech-Stack▲122

    Find all the technologies used by a company

    2020 · sales.rocks · its alternatives →

24. 24
    SiteKite▲87

    Stop your SEO from breaking

    2020 · authenticatornft.io · 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 →