Life & fun · alternatives · 2026
24 alternatives to SentinelJS – Detect new DOM nodes using CSS selectors
Detect new DOM nodes using CSS selectors (650 bytes) - amorey/sentineljs
SentinelJS is a JavaScript library that detects when new DOM nodes matching specified CSS selectors are added to a webpage. It works by monitoring the document for changes and triggering callbacks whenever elements… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. SentinelJS – Detect new DOM nodes using CSS selectors launched in 2017; newer entries below may have overtaken it.
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CSS Scan 2.0▲758The fastest and easiest way to inspect or copy CSS ⚡️
2019 · getcssscan.com · its alternatives →
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CSS Scan 3.0▲256The fastest and easiest way to check, copy and edit CSS
2022 · getcssscan.com · its alternatives →
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SelectorsHub▲73Go full page in one click: Full Page Screenshot with url
2021 · selectorshub.com · its alternatives →
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Hey HN, I'd like to share a fun project I've been working on: mizu.js. It's a js library that add functional attributes support into your html, designed to be a simple and flexible alternative to fully-fledged web frameworks (such as Vue, React, and Angular), while offering more capabilities than other lightweight options (like Alpine.js and htmx). As it's written using modern ES features and due to its isomorphic nature, it can be run in both browsers and runtimes (Node, Deno, Bun) without any changes. This makes it ideal for client-side and server-side rendering, as well as static site…
2024 · mizu.sh · its alternatives →
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A chrome extension tracks front-end JavaScript that uses DOM / jQuery APIs to manipulate html dom elements (e.g., change style, attach event listener) at runtime. - pilagod/js-tracker
2018 · github.com · its alternatives →
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Hey HN, This is Jan, founder of Apify, a web scraping and automation platform. Drawing on our team's years of experience, today we're launching Crawlee [1], the web scraping and browser automation library for Node.js that's designed for the fastest development and maximum reliability in production. For details, see the short video [2] or read the announcement blog post [3]. Main features: - Supports headless browsers with Playwright or Puppeteer - Supports raw HTTP crawling with Cheerio or JSDOM - Automated parallelization and scaling of crawlers for best performance - Avoids blocking using…
2022 · crawlee.dev · its alternatives →
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Selector Forge▲133Hi HN, I'm Ahmad from the Intuned (https://intunedhq.com) team. Today, we're releasing and open-sourcing Selector Forge (https://selectorforge.ai/), a browser extension that generates reliable CSS/XPath selectors using AI. You can use it to create a selector for a single element or for an array of elements. The selectors it creates are meant to be "semantic" and more resilient to page changes than what Chrome DevTool’s “Copy Selector” (and other similar extensions) give you. Those tend to hand you something brittle like `#top > div.w-100.ph0-l.ph3.ph4-m > h1 >…
Jun 2026 · selectorforge.ai · its alternatives →
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High-performance engine for capturing, modifying, and converting DOM elements into any format. - zumerlab/snapdom
2025 · github.com · its alternatives →
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Visual editor for learning and quick CSS mocking
2020 · cssbuilder.veliovgroup.com · its alternatives →
- 11M2
http://instacss.com (in case DNS update hasn't propagated: http://morning-warrior-3377.herokuapp.com/) Last night I was annoyed at how slow (and web 1.0-ish) most CSS reference sites seem to be, so I created this. It's basically a scrape of the CSS reference on w3schools, but with client side searching. Feedback is most welcome! some of the tech involved: node, requirejs, backbone, mongodb the code: http://github.com/rgarcia/instacss
2011 · instacss.com · its alternatives →
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Get notified when a DOM element enters or exits the viewport. :eyes: - camwiegert/in-view
2016 · github.com · its alternatives →
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Goodbye to "Inspect Element" — Visualize the CSS of any element you hover over, instantly, and copy its entire rules with a single click.
2022 · getcssscan.com · its alternatives →
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A tiny async loader / dependency manager for modern browsers (961 bytes) - amorey/loadjs
2015 · github.com · its alternatives →
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A tiny async loader / dependency manager for modern browsers (961 bytes) - amorey/loadjs
2016 · github.com · its alternatives →
- 16TT
2014 · frantzmiccoli.github.io · its alternatives →
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Stitches▲135The modern CSS-in-JS library with near-zero runtime.
2020 · stitches.dev · its alternatives →
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Find the origin of any character in the DOM
2019 · fromjs.com · its alternatives →
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An example implementation of a tiny Web browser for educational purposes. - lmt-swallow/puppy-browser
2021 · github.com · its alternatives →
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Create and share simple web demos using TypeScript, CSS, and HTML. Prototype new ideas quickly.
2017 · codewich.com · its alternatives →
- 21NN
2013 · jlongster.github.io · its alternatives →
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Guardscript monitors every few minutes any changes made to your Javascript files and sends you a notification with the changes made. You can then detect any malicious modification by analyzing these results.
2019 · guardscript.com · its alternatives →
- 24NA
2012 · nunjucks.jlongster.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 →