Alternatives

Products that do what Javascript Constable does

Stop data skimming w/ network activity change detection 🕵️

1. 1GD
   Guardscript – Detect any changes made to your JavaScript files▲28

   2019 · guardscript.com

2. 2
   StealthHound▲196

   Your browser's blind spots, Exposed.

   Jan 2026

3. 3
   Kuoll JavaScript Tracer▲205

   See how your users crashed your web application

   2016

4. 4
   HookWatch▲112

   Automated webhook monitoring for indie hackers & small teams

   Feb 2026

5. 5RT
   Real-time server monitoring in your browser▲346

   2014 · scoutapp.github.io

6. 6
   Bugbot by Kuoll▲204

   Instantly see user actions that lead up to a bug, in Slack

   2017

7. 7
   Web Monitoring by Visualping▲196

   Email alert when something changes on a webpage

   2017

8. 8TT
   TaskBotJS – TypeScript and JavaScript background job processing▲137

   2018 · github.com

9. 9CI
   Changedetection.io detect changes in websites and JSON feeds▲147

   2022 · github.com

10. 10
    Hexowatch 3.0▲216

    The most comprehensive change monitoring app

    2021

11. 11SO
    ScriptObservatory.org – How much malicious JavaScript goes unnoticed?▲38

    2015 · scriptobservatory.org

12. 12
    Crawly▲234

    Uptime, performance, SSL certificate and asset monitoring.

    2018

13. 13
    Hexowatch▲138

    Your AI sidekick to monitor any page for changes

    2020

14. 14AJ
    A JavaScript Handbook▲239

    2018 · jshandbook.com

15. 15
    ScrapX▲159

    Monitor your competitors

    2024

16. 16
    PingPing▲168

    A simple tool to monitor your website and SSL

    2018

17. 17
    Notifyz▲145

    Create, Subscribe, Notify All in One Place

    2024

18. 18
    Pulsetic▲240

    Website uptime monitoring, alerts, status pages & badges

    2022

19. 19
    TrackJS JavaScript Error Monitoring▲119

    Discover the bugs in your web applications and fix them fast

    2014

20. 20
    Meticulous▲137

    Catch JavaScript bugs on web applications with zero-effort

    2021

21. 21
    Creep Alert▲131

    Check if friends or colleagues track you via email

    2019

22. 22PM
    Proxino -- Monitor and Debug your JavaScript▲105

    2012 · proxino.com

23. 23AC
    A Chrome extension that tracks front-end JavaScript at runtime▲95

    2018 · github.com

24. 24
    Haark▲72

    Monitors your sites and notifies you if they're down

    2021

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