Klaxon enables reporters and editors to monitor scores of sites and files on the web for newsworthy changes. Get email and Slack notifications when something changes.
Thieves Alternatives
Thieves is described as 'Track websites using Thieves AI agents. Set natural language conditions for websites and get a email, Telegram, Discord, Webhook, REST API once your conditions has been met' and is a website monitoring tool in the development category. There are more than 25 alternatives to Thieves, not only websites but also apps for a variety of platforms, including Windows, Linux, Android and iPhone apps. The best Thieves alternative is Huginn, which is both free and Open Source. Other great sites and apps similar to Thieves are changedetection.io, Distill Web Monitor, HARPA AI and Visualping.
Alternatives list
- 51 Klaxon alternatives
Monitor and track website changes, detect only the changes that matter to you. Get an alert when we detect a matching change.

- 40 Versionista alternatives
Versionista is an online service that alerts you when a Web site changes. It shows you what's been added & removed to any Web page. It records a full page screenshot, and lets you use powerful inclusion/exclusion filters.


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Track web page changes in any web page daily for free users, every 30 minutes for paid users - no RSS or Atom required. Receive notifications via email, Instant Message, and SMS.
Web service for accurate and anonymous monitoring of web pages using CSS Selectors. MonitorWiz will detect even the smallest changes 100% accurately – it’s all down to setting up good CSS Selectors that precisely define monitored areas.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- Windows
- Online
- Android
- iPhone



Cost / License
- Freemium
- Proprietary
Alerts
- Discontinued
Platforms
- Online



Sites Watcher checks web pages that interest you for changes. When changes are found, Sites Watcher will show you current page version with highlighted updates.


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- 54 urlwatch alternatives
urlwatch is intended to help you watch changes in webpages and get notified (via e-mail, in your terminal or through various third party services) of any changes. The change notification will include the URL that has changed and a unified diff of what has changed.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
Fluxguard uses Google headless Chrome to monitor entire sites for changes. It provides 3 different levels of change monitoring, pixel change detecting comparing screenshots, code-level comparison of the rendered DOM, and extracted text comparison.


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SiteChange is the simplest free solution to website change monitoring. It is insanely easy to get started all you need to do is enter your email and password and with a unique modern design managing your tracked websites is easier then ever.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)

The most advanced tools for tracking changes on websites. Easy to use monitoring service with powerful features and rich app ecosystem.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Blackberry
- Chrome OS
- Android Tablet
- Windows Phone
- iPad
- Blackberry 10






































