Dev tools · alternatives · 2026
24 alternatives to webdog.ai
Watch websites for new links, removed links, or content changes. Open-source, self-hostable, PostgreSQL-backed.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
I built Site Spy after missing a visa appointment slot because a government page changed and I didn’t notice for two weeks. It watches webpages for changes and shows the result like a diff. The part I think HN might find interesting is that it can monitor a specific element on a page, not just the whole page, and it can expose changes as RSS feeds. So instead of tracking an entire noisy page, you can watch just a price, a stock status, a headline, or a specific content block. When it changes, you can inspect the diff, browse the snapshot history, or follow the updates in an RSS reader. It’s…
Mar 2026 · sitespy.app · its alternatives →
- 2
Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan! - dgtlmoon/changedetection.io
2022 · github.com · its alternatives →
- 3
Monitor any page for changes — without the false alarms. Describe what to watch in plain English, and Monity.ai alerts you only when it really changes.
2025 · monity.ai · its alternatives →
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Anakin▲148Every second thing I build needs to access the web, and I was frustrated with not finding something that just works all the time. With my team, we built this because I wanted to enable access to extremely difficult websites and apps for every AI agent. We have solved this cat-and-mouse problem with self-healing built in. It's one API to get data from hostile sites, and it can do easy sites too. You POST a URL and get back Markdown, JSON, HTML, a screenshot, or all of them. That same call handles anti-bot, proxy rotation, JS rendering, persistent authenticated sessions, and schema-based…
2021 · anakin.io · its alternatives →
- 6
Deep Dive Duck▲102Our AI reports show key changes to competitor sites
2018 · deepdiveduck.com · its alternatives →
- 7
Scouts by Yutori▲182Your always-on AI agents to monitor the web, now on iOS
Dec 2025 · yutori.com · its alternatives →
- 8
Inspectlet▲108Inspectlet records videos of your visitors as they use your site, allowing you to see everything they do. See every mouse movement, scroll, click, and keypress on your site. Forget traditional analytics. You never need to wonder how exactly people are using your site again.
2014 · inspectlet.com · its alternatives →
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Monitor website changes around the clock and get alerts in Discord, Telegram, Slack, Google Sheets and many more apps - no code or technical skills needed!
2019 · monitoro.xyz · its alternatives →
- 11
An extension of Refined GitHub browser plugin for AI contribution tracking capabilities in GitHub pull requests.
Feb 2026 · blog.rbby.dev · its alternatives →
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Monitor webpages to track website & page changes. Get email alerts, push notifications and slack/discord alerts on changes. Start free monitoring today | Distill
2022 · scrapex.ai · its alternatives →
- 14EH
Site Lab : Open source website analyzer and technology tracker. Built with Ruby on Rails 4.
2014 · callmeed.github.io · its alternatives →
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Hey HN! I'm open-sourcing a little weekend side project. It's a terminal UI that generates parsers for webpages using AI, and a library that runs these parsers while you browse (it connects to Chrome over CDP). You can parse Twitter, LinkedIn, and HN posts and they get saved to a DuckDB database, so you can query them later. Contributions welcome! I wrote a bit more about it here: https://0thernet.substack.com/p/memo-2-selectron
2025 · github.com · its alternatives →
- 17
Webskillet▲34Web automation that gets cheaper every run
Jul 2026 · webskillet.ai · its alternatives →
- 18TW
2014 · insights.nerdydata.com · its alternatives →
- 19
FeedPilot ▲8Auto scan leads on LinkedIn, Reddit & X
Oct 2025 · feedpilot.digital · its alternatives →
- 20
Subscribe to updates on any web page with the power of AI
Jan 2026 · changeflow.com · its alternatives →
- 21
Watched▲3API-first website change detection with native MCP support
Jun 2026 · watchedapi.com · its alternatives →
- 22
Catch every change on the web that matters to your team
Jun 2026 · pagedeltas.com · its alternatives →
- 23
Agenty - Scalable no-code web scraping software for data scraping, html extraction, online price monitoring and website change detection for browser automation with AI
2019 · agenty.com · its alternatives →
- 24
Detect changes on any website automatically. Know your competitive landscape & lead the market, with less effort.
2020 · rivalci.com · 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 →