51 open source projects written in HTML

Every HTML project in the registry, ranked by GitHub stars — license and last push on every entry, data pulled live from the GitHub API every night.

projects 51 licenses 11 language HTML
01 diagram-design ★ 64K

38 editorial diagram types for Claude Code, Codex, and Pi. Self-contained HTML + SVG. No shadows. No Mermaid slop.

last push36 hours ago licenseMIT categoryData & Analytics
02 ToolJet ★ 41K

Build internal tools rapidly without coding

last push2 hours ago licenseAGPL-3.0 categoryDeveloper Tools
03 guizang-ppt-skill ★ 29K

AI-agent Skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL/low-power presentation

last push3 days ago licenseAGPL-3.0 categoryAI & Machine Learning
04 ai-berkshire ★ 17K

AI 时代的伯克希尔:基于 Claude Code / Codex 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a value investing research framework built for Claude Code / Co

last push29 hours ago licenseMIT categoryAI & Machine Learning
05 turndown ★ 12K

🛏 An HTML to Markdown converter written in JavaScript

last push15 days ago licenseMIT categoryProductivity & Utilities
06 kit ★ 9.8K

🧱 Describe your site, AI builds it, you own it as Markdown. Snap together Tailwind blocks like Lego — landing pages, blogs, portfolios, docs & more. No AI slop

last push3 months ago licenseMIT categoryContent & Publishing
07 flowbite ★ 9.4K

Open-source UI component library and front-end development framework based on Tailwind CSS

last push4 months ago licenseMIT categoryMiscellaneous
08 rengine ★ 8.9K

reNgine is an automated reconnaissance framework for web applications with a focus on highly configurable streamlined recon process via Engines, recon data corr

last push2 days ago licenseGPL-3.0 categorySecurity & Privacy
09 blog ★ 8.6K

AI,Opensource,Database,Business,Finance,Minds. git clone --depth 1 https://github.com/digoal/blog

last push30 hours ago licenseGPL-2.0 categoryInfrastructure & Operations
10 cve ★ 8.2K

Gather and update all available and newest CVEs with their PoC.

last push17 days ago licenseMIT categorySecurity & Privacy
11 guizang-social-card-skill ★ 7.9K

🪧 Claude Code / Codex skill — generate Xiaohongshu carousels & WeChat 21:9+1:1 cover pairs. Editorial × Swiss visual systems, 28 layouts, 10 themes, single-fil

last push3 days ago licenseAGPL-3.0 categoryAI & Machine Learning
12 Publii ★ 7.4K

The most intuitive Static Site CMS designed for SEO-optimized and privacy-focused websites.

last pushyesterday licenseGPL-3.0 categoryContent & Publishing
13 pydoll ★ 7.1K

Pydoll is a library for automating chromium-based browsers without a WebDriver, offering realistic interactions.

last push25 days ago licenseMIT categoryData & Analytics
14 charts.css ★ 6.6K

Open source CSS framework for data visualization.

last push7 months ago licenseMIT categoryData & Analytics
15 allure2 ★ 5.6K

Allure Report is a flexible, lightweight multi-language test reporting tool. It provides clear graphical reports and allows everyone involved in the development

last push4 hours ago licenseApache-2.0 categoryData & Analytics
16 zoraxy ★ 5.6K

A general purpose HTTP reverse proxy and forwarding tool. Now written in Go!

last push12 hours ago licenseAGPL-3.0 categoryInfrastructure & Operations
17 plot ★ 5.4K

A concise API for exploratory data visualization implementing a layered grammar of graphics

last push3 days ago licenseISC categoryData & Analytics
18 html-video ★ 4.8K

Programmatic video for coding agents — HTML to video on your laptop. Turn HTML, CSS & data into real MP4s with pluggable render engines, 21 templates, AI soundt

last push4 months ago licenseApache-2.0 categoryAI & Machine Learning
19 design-extract ★ 4.5K

Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-plat

last push2 hours ago licenseMIT categoryData & Analytics
20 schemaspy ★ 3.7K

Database documentation built easy

last push8 months ago licenseLGPL-3.0 categoryContent & Publishing
21 LittleLink ★ 3.1K

Create your own link-in-bio page with 100+ branded buttons

last push3 months ago licenseMIT categoryBusiness Software
22 badssl.com ★ 3.1K

:lock: Memorable site for testing clients against bad SSL configs.

last push5 months ago licenseApache-2.0 categoryProductivity & Utilities
23 cstate ★ 2.9K

🔥 Open source static (serverless) status page. Uses hyperfast Go & Hugo, minimal HTML/CSS/JS, customizable, outstanding browser support (IE8+), preloaded CMS,

last push16 days ago licenseMIT categoryInfrastructure & Operations
24 goflylivechat ★ 2.6K

开源在线客服系统GO语言开发GO-FLY,免费在线客服系统/GOFLY LIVE CHAT: open source self-hosted private cloud customer support live chat software by golang

last push14 months ago licenseApache-2.0 categoryBusiness Software
25 Elementary Data ★ 2.4K

Data observability for modern data teams

last push11 days ago licenseApache-2.0 categoryData & Analytics
26 dmux ★ 1.8K

A dev agent multiplexer for git worktrees and coding agents.

last push3 months ago licenseMIT categoryInfrastructure & Operations
27 BotFramework-WebChat ★ 1.8K

A highly-customizable web-based client for Azure Bot Services.

last push2 hours ago licenseMIT categoryAI & Machine Learning
28 brooks-lint ★ 1.6K

Portable AI code quality reviews for Codex, Cursor, Copilot and other coding agents: six Agent Skills for architecture, technical debt, tests and remediation.

last push10 hours ago licenseMIT categoryDeveloper Tools
29 ExpenseOwl ★ 1.5K

Extremely simple, self-hosted expense tracker with a beautiful UI.

last push13 months ago licenseMIT categoryBusiness Software
30 Horilla ★ 1.5K

Comprehensive open-source HR management solution

last push5 hours ago licenseLGPL-2.1 categoryBusiness Software
31 homie-esp8266 ★ 1.4K

💡 ESP8266 framework for Homie, a lightweight MQTT convention for the IoT

last push8 months ago licenseMIT categoryMiscellaneous
32 ai-security-tool ★ 1.3K

🛡️ Free open-source AI-powered security terminal & vulnerability scanner (CVE, SBOM). Supports SSH, SFTP, RDP, VNC, Serial, and 12+ autonomous AI agents (DeepS

last push2 hours ago licenseMIT categoryAI & Machine Learning
33 email-templates ★ 1.2K

Free HTML email templates for Mailchimp and other emails services

last push2 months ago licenseMIT categoryBusiness Software
34 Vvveb CMS ★ 1.2K

Open source CMS with powerful drag-and-drop builder

last push5 days ago licenseAGPL-3.0 categoryDeveloper Tools
35 101-linux-commands ★ 1.2K

101 Linux commands Open-source eBook and CLI tool

last push7 months ago licenseMIT categoryContent & Publishing
36 fossology ★ 1.0K

FOSSology is an open source license compliance software system and toolkit. As a toolkit you can run license, copyright and export control scans from the comma

last push8 hours ago licenseGPL-2.0 categoryBusiness Software
37 vuln-bank ★ 992

A deliberately vulnerable banking application designed for practicing Security Testing of Web App, APIs, AI integrated App and secure code reviews. Features com

last push1 months ago licenseMIT categoryAI & Machine Learning
38 HydraSoft-DLL-Hijack-Scanner ★ 821

HydraSoft: dependency-free Windows DLL hijack scanner with centralized remote management — HydraAgent, PHP API, and a web console for endpoint security checks a

last push7 days ago licenseMIT categorySecurity & Privacy
39 figranium ★ 780

Stack blocks visually to build complex browser workflows and execute them via API

last push10 hours ago licenseGPL-3.0 categoryData & Analytics
40 zeabur ★ 735

A platform that helps you deploy services with one click.

last push2 days ago licenseMPL-2.0 categoryDeveloper Tools
41 InternalSteamWebAPI ★ 654

Documenting the unofficial and internal Steam Web API

last push17 days ago licenseMIT categoryContent & Publishing
42 Adb-Device-Manager-2 ★ 645

Dual-control Android management for Windows — ADB Mode (scrcpy GUI mirroring & control) and App Mode (calls, media, notifications, Audio Cast).

last push2 months ago licenseApache-2.0 categoryProductivity & Utilities
43 PatrowlManager ★ 639

PatrOwl - Open Source, Smart and Scalable Security Operations Orchestration Platform

last push8 months ago licenseAGPL-3.0 categoryInfrastructure & Operations
44 vibe-check ★ 634

By a 12-year product manager who builds 0-to-1: takes a beginner from a vague idea to a buildable plan, then guides the build (GitHub basics, clean-code habits,

last push4 months ago licenseMIT categoryProductivity & Utilities
45 django-comments-xtd ★ 621

A pluggable Django comments application with thread support, follow-up notifications, mail confirmation, like/dislike flags, moderation, a ReactJS plugin and Bo

last push6 days ago licenseBSD-2-Clause categoryCommunity & Social
46 Marble ★ 618

Real-time fraud detection and AML compliance engine

last push11 days ago licensecustom categorySecurity & Privacy
47 ComeCut ★ 613

「来剪」轻量级视频编辑器。网页版、桌面版等均可免费使用,功能灵感源自 CapCut 等编辑器。A Lightweight Video Editor. Free for the web, desktop, and more, with features inspired by editors like CapCut.

last push5 days ago licenseAGPL-3.0 categoryMiscellaneous
48 beginner_de_project ★ 611

Beginner data engineering project - batch edition

last push7 months ago licenseMIT categoryData & Analytics
49 super-board ★ 587

Autonomous GitHub Project build → QA → review loop for Claude Code. One-line install.

last push4 days ago licenseMIT categoryBusiness Software
50 basketball_reference_web_scraper ★ 563

NBA Stats API via Basketball Reference

last push20 hours ago licenseMIT categoryData & Analytics
51 oscean ★ 562

Static wiki engine written in Uxntal

last push29 hours ago licenseMIT categoryContent & Publishing

← all stacks · or see best-of lists

Frequently asked questions

How many open source projects are written in HTML?

This registry tracks 51 HTML projects, with 306,302 GitHub stars between them and a median of 1,814 stars. The most-adopted is diagram-design at 64,318 stars.

Which HTML projects are most actively maintained?

37 of the 51 projects were pushed in the last 90 days. Each entry above shows its exact last-push date, so you can filter out dormant projects before committing to one.

What licence are HTML projects usually under?

50 of the 51 carry an explicit open-source licence across 11 distinct licences, and the licence is shown on every card. Permissive licences (MIT, Apache-2.0) are the safest default for commercial use; check the copyleft ones individually.

Should I use HTML or TypeScript for my project?

Both are viable. HTML is the better default if your team already knows it or the libraries you need are written in it; TypeScript may suit you better if you need the ecosystem, tooling or performance profile it is known for. The registry lists 51 HTML projects to work from.