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Top 23 JavaScript Visualization Projects
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EasySpider
A visual no-code/code-free web crawler/spider易采集：一个可视化浏览器自动化测试/数据采集/网页爬虫软件，可以无代码图形化的设计和执行爬虫任务。别名：ServiceWrapper面向Web应用的智能化服务封装系统。
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Plotly - Plotly JavaScript Open Source Graphing Library
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Project mention: How to Make Large Time-Series Charts Smooth in Vue.js + ApexCharts (and fix Zoom & Scroll behavior issues) | dev.to | 2026-05-21
ApexCharts is an excellent library for creating interactive charts, and integrating it in [Vue.js (https://vuejs.org) is really a piece of cake. However, when it comes to displaying a time-series chart with thousands of points, the performance can suffer, sometimes causing the page to freeze during the rendering or when the user zooms or navigates through the data.
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Project mention: AI Mafia – Tracing the roots of today's AI leaders back to Google | news.ycombinator.com | 2025-10-26
I am using https://js.cytoscape.org/ to render this json file on the website.
I tried out of the box obsidian canvas publishers, but they did not work. Hence the misaligned nodes.
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Project mention: Simple, reactive programming environment for the Julia Language | news.ycombinator.com | 2026-04-03
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trading-vue-js
💹 Hackable charting lib for traders. You can draw literally ANYTHING on top of candlestick charts. [Not Maintained]
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Visualization discussion
JavaScript Visualization related posts
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Vega
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Algorithm Visualizer
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Git City – Your GitHub as a 3D City
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Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)
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Webb Compare (2024)
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WebbCompare
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Show HN: I built an 8-bit CPU simulator in Python from scratch
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A note from our sponsor - SaaSHub
www.saashub.com | 16 Jun 2026
Index
What are some of the best open-source Visualization projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | EasySpider | 43,959 |
| 2 | plotly.js | 18,220 |
| 3 | apexcharts.js | 15,097 |
| 4 | vega | 11,889 |
| 5 | Cytoscape.js | 11,043 |
| 6 | dc.js | 7,440 |
| 7 | roughViz | 7,077 |
| 8 | Under-the-hood-ReactJS | 6,793 |
| 9 | heatmap.js | 6,372 |
| 10 | Pluto.jl | 5,343 |
| 11 | joint | 5,270 |
| 12 | vizceral | 4,095 |
| 13 | VivaGraphJS | 3,859 |
| 14 | react-simple-maps | 3,299 |
| 15 | dygraphs | 3,236 |
| 16 | WebPlotDigitizer | 3,095 |
| 17 | React-Sight | 2,867 |
| 18 | echarts-gl | 2,707 |
| 19 | sqliteviz | 2,345 |
| 20 | 3DTilesRendererJS | 2,332 |
| 21 | trading-vue-js | 2,275 |
| 22 | ant-design-charts | 2,225 |
| 23 | butterchurn | 1,878 |
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