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Top 23 HTML Open-Source Projects
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Bootstrap
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
Not in the so distant past, when Bootstrapped themes were becoming the face of the Internet, a new framework came to town — TailwindCSS. The smart thing they did was introduced the framework with a few brilliant template and a lot of styled components. I bought the initial copy and does a lot of people. Those templates, TailwindUI.com (now TailwindCSS.com/plus)[1] became the gradien-y, dark-ish, glow-y design you see a lot these days.
A similar design wave is also happening with internal dashboard, admin interfaces. Thanks to https://ui.shadcn.com Personally, I'm fine with the standardization of such functional interface designs.
btw, for Have I Been Pwned, this is Bootstrap[2] and I'm not surprised it is also inheriting those design styles.
1. https://tailwindcss.com/plus
2. https://getbootstrap.com
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Short, useful code snippets in JavaScript and other languages to boost productivity and learning. Explore the repository
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A beginner-friendly curriculum by Microsoft, teaching web development fundamentals through 24 lessons with projects. Explore the repository
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storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Storybook for UI Development
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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html5-boilerplate
A professional front-end template for building fast, robust, and adaptable web apps or sites.
Also, if you want a starter template that goes further than just the index.html file, you might want to check out HTML5 Boilerplate. It's a great resource to get up an running really fast when building a Progressive Web App.
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Project mention: Unlocking Opportunities: How to Thrive as a Ruby Engineer in Today's Tech Landscape | dev.to | 2025-05-07
Ruby on Rails open source projects. Contribute and learn at the same time.
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Project mention: How to use Angular 20 experimental Vitest support outside of ng test | dev.to | 2025-06-18
So, I had to test this new version in a personal project to learn how to use all these new things along with other technologies and tools I’ve used for a long time and also love, like VSCode, ESLint, Prettier, and a bunch of other. And I did, but there’s a catch which makes the whole “experimental” thing have more sense: you can only use this through ng test.
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Project mention: A deliberate practice app for guitar players who want to level up | news.ycombinator.com | 2025-03-31
Thanks! Much credit goes to the Bulma[1] css framework, I guess. I am mostly a backend dev. I've just used bulma for the most part and tried to avoid anything fancy.
[1]: https://bulma.io/
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30-Days-Of-JavaScript
30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
30 Days of JS preparation 30 Days of Javascript preparation that teaches JS topics in 30 days one topic per day, quite a good roadmap as well to learn JS from scratch.
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Project mention: Migrating a JavaScript Project from Prettier and ESLint to BiomeJS | news.ycombinator.com | 2025-05-07
https://parceljs.org/ is another.
It even supports languages like `` out of the box which is pretty cool.<p>IIRC it downloads necessarily plugins on the fly.
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front-end-interview-handbook
🌐 Front End interview preparation materials for busy engineers (updated for 2025)
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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/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。
Project mention: EasySpider: A No-Code Tool for Visual Web Crawling and Data Collection | news.ycombinator.com | 2024-08-11 -
1. Video.js
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quivr
Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.
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Project mention: The Backend Shift: Leveraging Open Source Powerhouses for Faster, Leaner Apps | dev.to | 2025-05-10
Novu (novu.co):
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SheetJS js-xlsx
📗 SheetJS Spreadsheet Data Toolkit -- New home https://git.sheetjs.com/SheetJS/sheetjs
Project mention: Building an inventory management app: 'Invento' as a Beginner Developer | dev.to | 2024-07-24XLSX : XLSX is a library for parsing and writing Excel spreadsheet files. It enables the application to export data to Excel, which is a common requirement for inventory management systems.
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For anyone looking to master the basics of HTML, this guide on HTML head elements is a great find. It’s amazing how much functionality is packed into the `` tag, from meta tags that improve SEO to linking external resources like stylesheets and scripts. This guide does a fantastic job of demystifying it all in a simple and approachable way. If you're just starting out with web development or need a refresher, this is definitely worth a read! Check it out [here](https://htmlhead.dev).
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
HTML discussion
HTML related posts
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A novel approach to reusable web components
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SIMD-friendly algorithms for substring searching
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Show HN: HyperTemplates, a pure-HTML templating system and static site generator
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C# HTML to PDF: DinkToPdf Alternatives Using IronPDF
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DinkToPdf Alternatives: IronPDF for C# HTML to PDF
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Metro UI Library: A Comprehensive Guide for Beginner Programmers
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JavaScript package manager - How to fix Cannot find module 'cheerio' error with Enzyme in Yarn 1 projects
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A note from our sponsor - InfluxDB
www.influxdata.com | 19 Jun 2025
Index
What are some of the best open-source HTML projects? This list will help you:
# | Project | Stars |
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1 | Bootstrap | 172,403 |
2 | 30-seconds-of-code | 123,932 |
3 | Electron | 117,114 |
4 | Web-Dev-For-Beginners | 88,509 |
5 | storybook | 86,913 |
6 | app-ideas | 83,569 |
7 | Front-End-Checklist | 70,141 |
8 | html5-boilerplate | 56,995 |
9 | Ruby on Rails | 56,987 |
10 | prettier | 50,572 |
11 | Bulma | 49,807 |
12 | htmx | 44,953 |
13 | 30-Days-Of-JavaScript | 44,418 |
14 | hyperterm | 44,013 |
15 | parcel | 43,862 |
16 | front-end-interview-handbook | 43,052 |
17 | tabler | 39,558 |
18 | EasySpider | 39,056 |
19 | video.js | 38,841 |
20 | quivr | 38,015 |
21 | novu | 37,117 |
22 | SheetJS js-xlsx | 35,566 |
23 | HEAD | 30,034 |