Life & fun · alternatives · 2026

24 alternatives to In-view.js – Get notified when DOM elements enter or exit the viewport

Get notified when a DOM element enters or exits the viewport. :eyes: - camwiegert/in-view

In-view.js is a JavaScript library that triggers notifications when DOM elements enter or leave the viewport. Developers use it to detect when page elements become visible or hidden as users scroll. The library is… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. In-view.js – Get notified when DOM elements enter or exit the viewport launched in 2016; newer entries below may have overtaken it.

1. 1
   Visual Intersection Observer – intersection utility for visual viewport▲10

   A wrapper utility for Intersection Observer with Visual Viewport support - GitHub - juo/visual-intersection-observer: A wrapper utility for Intersection Observer with Visual Viewport support

   2022 · github.com · its alternatives →

2. 2AT
   A tiny JS library for real-time localization of eye pupils▲153

   2019 · tehnokv.com · its alternatives →

3. 3
   Driver.js▲446

   A lightweight engine to drive user's focus across the page

   2018 · kamran.fyi · its alternatives →

4. 4
   Pts.js – A library for visualization and creative coding▲611

   Pts is a javascript library for visualization and creative-coding.

   2018 · ptsjs.org · its alternatives →

5. 5
   CSSeffectsSnippets.▲292

   A collection of CSS effects with a click to copy.

   2019 · emilkowalski.github.io · its alternatives →

6. 6
   InAppBrowser.com▲198

   Check if an in-app browser is injecting JavaScript code

   2022 · inappbrowser.com · its alternatives →

7. 7
   A Chrome extension that tracks front-end JavaScript at runtime▲95

   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 →

8. 8
   WebGazer.js▲157

   Eye tracking on the browser

   2016 · webgazer.cs.brown.edu · its alternatives →

9. 9
   Creepyface – A JavaScript library to make your face look at the pointer▲81

   The JavaScript library that makes your face look at the pointer

   2019 · creepyface.io · its alternatives →

10. 10RJ
    Rune.js – Graphic design systems with SVG in the browser or Node.js▲92

    A JavaScript library for programming graphic design systems with SVG

    2015 · runemadsen.github.io · its alternatives →

11. 11
    SentinelJS – Detect new DOM nodes using CSS selectors▲90

    Detect new DOM nodes using CSS selectors (650 bytes) - amorey/sentineljs

    2017 · github.com · its alternatives →

12. 12
    ViewFinderJS▲60

    A secure browser you embed in your webapp

    2021 · github.com · its alternatives →

13. 13
    An upcoming js-library to realize visual DOM-Selections▲10

    ✨ Viselect - A high performance and lightweight library to add a visual way of selecting elements, just like on your Desktop. Zero dependencies, super small. Support for major frameworks! - simonwep/viselect

    2018 · github.com · its alternatives →

14. 14MY
    Make your app handle going offline▲151

    Offline.js is a Javascript and CSS library to automatically alert your users when they

    2013 · github.hubspot.com · its alternatives →

15. 15PM
    Proxino -- Monitor and Debug your JavaScript▲105

    2012 · proxino.com · its alternatives →

16. 16BJ
    Behave.js – Coding Behaviors for textarea elements▲180

    2013 · jakiestfu.github.com · its alternatives →

17. 17
    An experimental data-flow analysis tool for JavaScript▲95

    Find the origin of any character in the DOM

    2019 · fromjs.com · its alternatives →

18. 18
    LiveViewJS – TypeScript back end for LiveView Apps (Phoenix LiveView)▲146

    Author here. I really love the programming paradigm behind by Phoenix LiveView applications and wanted to expand the ecosystem to include programmers like myself that love Typescript. In summary, LiveViewJS reuses all the Phoenix client code and implemented a new backend in Typescript to handle client events and send back updates. Lots more detail and examples in the repo. Would love any questions and/or feedback. Thanks!

    2022 · github.com · its alternatives →

19. 19
    ReadlineJs▲139

    A read position indicator at the top of the page .

    2019 · devaman.github.io · its alternatives →

20. 20
    Guardscript – Detect any changes made to your JavaScript files▲28

    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 →

21. 21
    Toybox Inspect▲134

    Visually inspect CSS, accessibility, & redlines on your site

    2019 · toyboxsystems.com · its alternatives →

22. 22
    WOW.js▲123

    Animate elements on-scroll to catch attention. Such Magic.

    2014 · mynameismatthieu.com · its alternatives →

23. 23ST
    See the number of DOM elements on a web page▲47

    2013 · domtree.breckyunits.com · its alternatives →

24. 24
    DOM Outliner for Chrome▲71

    See any web page structure in one click

    2023 · chromewebstore.google.com · 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 →