Life & fun · alternatives · 2026

Cat.js is an animated HTML5 cat toy that runs in web browsers. Launched in 2012, it provides interactive entertainment featuring a virtual cat. The tool is designed for people who want a simple, playful distraction or… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Cat.js, an Animated HTML5 Cat Toy launched in 2012; newer entries below may have overtaken it.

1. 1WJ
   Wiv.js – A library for a more wiggly div▲265

   2018 · jjkaufman.github.io · its alternatives →

2. 2BJ
   Bounce.js – A tool for generating CSS3 animations▲172

   2014 · bouncejs.com · its alternatives →

3. 3
   Theatre.js▲241

   Animation and 3D editor for JavaScript

   2022 · theatrejs.com · its alternatives →

4. 4SJ
   Snabbt.js – a minimalistic animation library▲323

   House of cards demo using animation library snabbt.js

   2015 · daniel-lundin.github.io · its alternatives →

5. 5
   catcatcatcaaaaaaaaaaaaat▲146

   Cats attack on your screen

   2019 · chromewebstore.google.com · its alternatives →

6. 6
   Cat Simulator▲70

   A fun first person-cat video game.

   2016 · store.steampowered.com · its alternatives →

7. 7ID
   Impulse – Dynamic JS Animations for the Mobile Web▲93

   2014 · impulse.luster.io · its alternatives →

8. 8VJ
   Velocity.js – Accelerated JavaScript animation▲160

   Velocity.js: An incredibly fast animation engine for motion designers.

   2014 · velocityjs.org · its alternatives →

9. 9
   CSS Wand▲330

   Easy copy-paste beautiful CSS animations

   2019 · csswand.dev · its alternatives →

10. 10
    Anime.js – Polyvalent JavaScript Animation Engine▲283

    A fast, multipurpose and lightweight JavaScript animation library

    2016 · anime-js.com · its alternatives →

11. 11
    JavaScript For Cats▲8

    An introduction for new programmers

    2015 · xoilaczbt.tv · its alternatives →

12. 12BJ
    Behave.js – Coding Behaviors for textarea elements▲180

    2013 · jakiestfu.github.com · its alternatives →

13. 13SJ
    Scratch.js – Interactive JavaScript Scratchpad▲169

    2020 · hole.dev · its alternatives →

14. 14
    ANIMATE IT▲205

    Create GIFs and video animations easily in your browser

    2019 · animateit.online · its alternatives →

15. 15
    Impulse▲84

    Dynamic JS Animations for the Mobile Web

    2014 · impulse.luster.io · its alternatives →

16. 16MY
    Make your web page dance with Rythm.js▲183

    2017 · okazari.github.io · its alternatives →

17. 17
    Tiny jQuery alternative with inline Locality of Behavior▲30

    🗿 Mini jQuery alternative. Dependency-free animations. Locality of Behavior. Use one element or arrays transparently. Pairs with htmx. Vanilla querySelector() but better! - gnat/surreal

    2023 · github.com · its alternatives →

18. 18CA
    Construct Animate – our new browser-based animation tool▲165

    2023 · construct.net · its alternatives →

19. 19
    TargetJ – New JavaScript framework that can animate anything▲52

    I am excited to introduce to you TargetJ, a new JavaScript framework that can animate anything. I have been working on this project for over two years, driven by the complexity of current UI frameworks. You can find the interactive documentation at www.targetj.io. I hope you find it useful for creating great web experiences. If you have any questions about the framework or want to share your thoughts, please leave a comment below. I’m eager to hear from you!

    2024 · github.com · its alternatives →

20. 20
    Animatron▲96

    A simple & powerful online tool to create HTML5 animations

    2014 · animatron.com · its alternatives →

21. 21
    Snabbt.js▲129

    A minimalistic animation library

    2015 · daniel-lundin.github.io · its alternatives →

22. 22
    Umbrella JS, a 2.5kb jQuery alternative▲132

    :umbrella: Lightweight javascript library for DOM manipulation and events

    2018 · umbrellajs.com · its alternatives →

23. 23
    Choreographer-JS, a simple way to handle complicated animations▲39

    A simple library to take care of complex CSS animations.

    2016 · christinecha.github.io · its alternatives →

24. 24
    doodle.ai▲120

    Doodle cats with AI in your pocket 🐱

    2017 · apps.apple.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 →