Top 23 javascript-library Open-Source Projects

1. anime.js

   1 119 69,827 8.8 JavaScript

   JavaScript animation engine

   

   Project mention: Ask HN: What are examples of open source project websites? | news.ycombinator.com | 2025-09-18

   https://animejs.com/

   This is a js animation library so there may be some home advantage but very well made nontheless.

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. GreenSock-JS

   2 125 25,815 4.0 JavaScript

   GSAP (GreenSock Animation Platform), a JavaScript animation library for the modern web

   

   Project mention: What Is a Database Transaction? | news.ycombinator.com | 2026-02-22

4. Modernizr

   3 6 25,665 6.0 JavaScript

   Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

   

5. Inquirer.js

   4 46 21,577 9.5 TypeScript

   A collection of common interactive command line user interfaces.

   

   Project mention: Building a production TypeScript CLI in 2026: oclif vs commander vs custom. | dev.to | 2026-06-09

   Prompts (interactive input like password fields or selection lists) sit outside all three. None of them bundle an interactive prompt library. The standard pairing is inquirer for oclif and commander, or Node's built-in readline interface for the zero-dep path.

6. dropzone

   5 11 18,387 0.0 JavaScript

   Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.

   

7. inferno

   6 12 16,421 7.7 JavaScript

   :fire: An extremely fast, React-like JavaScript library for building modern user interfaces

   

   Project mention: React Won by Default – and It's Killing Front End Innovation | news.ycombinator.com | 2025-09-15

   How is inferno? Is it ready for production? I'm not a frontend dev, but been looking for a light weight, fast framework. Inferno looked pretty good alternative to react.

   https://github.com/infernojs/inferno

8. Snap.svg

   7 13 14,007 1.8 JavaScript

   The JavaScript library for modern SVG graphics.

   

   Project mention: Type-Safe SVGs with Mirrow: A New DSL for Modern Frontend Graphics | dev.to | 2025-09-25

   I started developing Mirrow after growing increasingly frustrated with the current vector graphics landscape. We have a plethora of JavaScript libraries like GSAP and Snap.svg which excel at manipulating SVGs at runtime, and they serve their purposes well.

9. flexsearch

   8 15 13,722 8.4 JavaScript

   Next-generation full-text search library for Browser and Node.js

   

   Project mention: You Don't Need Mintlify | news.ycombinator.com | 2026-01-13

10. semantic-ui-react

    9 40 13,223 5.0 JavaScript

    The official Semantic-UI-React integration

    

11. flowy

    10 6 12,030 0.0 JavaScript

    The minimal javascript library to create flowcharts ✨

    

12. chroma.js

    11 4 10,566 5.9 JavaScript

    JavaScript library for all kinds of color manipulations

    

13. GoJS, a JavaScript Library for HTML Diagrams

    12 17 8,444 6.2 HTML

    JavaScript diagramming library for interactive flowcharts, org charts, design tools, planning tools, visual languages.

    

14. Drawflow

    13 7 6,008 3.6 JavaScript

    Simple flow library 🖥️🖱️

    

15. joint

    14 3 5,270 8.9 JavaScript

    A proven SVG-based JavaScript diagramming library powering exceptional UIs

    

16. radash

    15 2 4,843 2.4 TypeScript

    Functional utility library - modern, simple, typed, powerful

    

17. voca

    16 4 3,593 3.5 JavaScript

    The ultimate JavaScript string library

    

18. currency.js

    17 4 3,376 2.4 JavaScript

    A javascript library for handling currencies

    

19. typeit

    18 18 3,176 4.9 JavaScript

    The most versatile JavaScript typewriter effect library on the planet.

    

20. handtrack.js

    19 5 2,927 0.0 JavaScript

    A library for prototyping realtime hand detection (bounding box), directly in the browser.

    

21. guiadofrontend

    20 1 2,906 1.7

    Nesse guia você encontrará tudo para se torna um desenvolvedor front-end, dessa maneira, encontrará mapas mentais, cursos, trilhas e outras ferramentas para poder praticar o conhecimento adquirido.

    

22. DummyJSON

    21 30 2,825 7.9 EJS

    DummyJSON.com provides different types of REST Endpoints filled with JSON data which you can use in developing the frontend with your favorite framework and library without worrying about writing a backend.

    

    Project mention: Hurl vs Postman: Git-Friendly API Testing With Proxy-Aware Egress (2026) | dev.to | 2026-06-12

    # tests/auth-flow.hurl # Uses DummyJSON (https://dummyjson.com/docs/auth) — free, no API key. POST {{dummyjson_base}}/user/login Content-Type: application/json { "username": "{{dummyjson_username}}", "password": "{{dummyjson_password}}" } HTTP 200 [Captures] token: jsonpath "$.accessToken" [Asserts] jsonpath "$.username" == "{{dummyjson_username}}" GET {{dummyjson_base}}/auth/me Authorization: Bearer {{token}} HTTP 200 [Asserts] jsonpath "$.username" == "{{dummyjson_username}}" jsonpath "$.email" exists

23. toastify-js

    22 5 2,520 0.5 JavaScript

    Pure JavaScript library for better notification messages

    

24. remotestorage.js

    23 2 2,408 8.2 JavaScript

    ⬡ JavaScript client library for integrating remoteStorage in apps

    

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