Andrico

claude-code-harness. Claude Code Dedicated Development Harness - Achieving High-Quality Development Through an Autonomous Plan→Work→Review Cycle

A11Y.md. A context system for building accessible software by default — for developers and AI, with enforceable rules aligned to WCAG.

impeccable. The design language that makes your AI harness better at design.

GeoRulesLobePy. Deep-water lobe simulator using rule-based models, Markov chains, and geological knowledge.

Anthropic-Cybersecurity-Skills. 817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains · Apache 2.0

pokemon-cards-css. A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.

awesome-strudel. A curated collection of awesome Strudel resources including tracks (popular song covers and remixes), tutorials, and repositories

svelte-bottom-sheet. Bottom Sheet Library for Svelte

Marketing-for-Founders. Practical marketing resources to get the first 10 / 100 / 1000 users for your SaaS / App / Startup

awesome-cursorrules. 📄 Configuration files that enhance Cursor AI editor experience with custom rules and behaviors

code-with-engineering-playbook. This is the playbook for "code-with" customer or partner engagements

LibreChat. Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

ragas. Supercharge Your LLM Application Evaluations 🚀

lobehub. 🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

ai-hedge-fund. An AI Hedge Fund Team

awesome-software-architecture. 📚 A curated list of awesome articles, videos, and other resources to learn and practice software architecture, patterns, and principles.

react-native-portabletext. Render Portable Text with React Native

ogl. Minimal WebGL Library

lygia. LYGIA, it's a granular and multi-language (GLSL, HLSL, Metal, WGSL, WEGL and CUDA) shader library designed for performance and flexibility

css-triggers-11ty. Learn to write more performant CSS with this remake of the OG CSS Triggers site

lenis. Smooth scroll as it should be

neverthrow. Type-Safe Errors for JS & TypeScript

masonry-gallery. HTML

lit. Lit is a simple library for building fast, lightweight web components.

wpt. Test suites for Web platform specs — including WHATWG, W3C, and others

vfx-js. WebGL effects made easy.

build-your-own-x. Master programming by recreating your favorite technologies from scratch.

pprof. pprof is a tool for visualization and analysis of profiling data

fx. Web Components On Fire

front-end-conferences. This is a list of upcoming front-end related conferences.

You-Dont-Need-Lodash-Underscore. List of JavaScript methods which you can use natively + ESLint Plugin

component-template. Template for kicking off a new Web Component

ladybird. Truly independent web browser

blackout. A bad-ass, unholy-mother-shut-your-mouth stencil sans-serif.

vscode-publint. This extension allows you to check the package.json for errors

pokefirered. Decompilation of Pokémon FireRed/LeafGreen

Adobe-Alternatives. A list of alternatives for Adobe software

clack. Effortlessly build beautiful command-line apps

polishedcrystal. An upgrade to Pokémon Crystal. Brings features and content up to date, and adds some original content.

custom-element-docgen. JavaScript

awesome-indie. Resources for independent developers to make money

the-dilemmas-youll-face. The Dilemmas You'll Face When Creating Your First Component Library

custom-elements-manifest. Custom Elements Manifest is a file format that describes custom elements in your project.

web-component-analyzer. CLI that analyzes web components and emits documentation

renovate. Home of the Renovate CLI: Cross-platform Dependency Automation by Mend.io

Projects. :page_with_curl: A list of practical projects that anyone can solve in any programming language.

a2k. Capture the feel of the early web with A2k, the Windows2000 inspired web component library

cally. Small, feature-rich calendar components

publint. Lint packaging errors

htmz. html with targeted manipulation zones

sword-adventure. HTML

no-spoilers. A progressively-enhanced spoiler tag that works in any frontend. Built using web components.

barrel-begone. JavaScript

llm-course. Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

pico. Minimal CSS Framework for semantic HTML

awesome-flame. An awesome list that curates the best Flame games, projects, libraries, tools, tutorials, articles and more.

autosize-textarea. JavaScript

share-button. A Web Component to share web pages using the native OS sharing options

modern-todomvc-vanillajs. TodoMVC with Modern (ES6+), Vanilla JavaScript

markdown-truncate. A zero-dependency, vanilla JavaScript utility to truncate markdown text.

hermes-wc. Because user feedback should be treated like a gift from the gods.

lit-analyzer. Monorepository for tools that analyze lit-html templates

Startup-CTO-Handbook. The Startup CTO's Handbook, a book covering leadership, management and technical topics for leaders of software engineering teams

sandpack-lit. Run entire web applications within you own web apps, regardless of which framework you’re using

PokemonRedExperiments. Playing Pokemon Red with Reinforcement Learning

coding-interview-university. A complete computer science study plan to become a software engineer.

api-viewer-element. API documentation and live playground for Web Components. Based on Custom Elements Manifest format

types-with-jsdocs. Using JSDoc for Typescript Types

swtl. A Service Worker Templating Language (swtl) for component-like templating in service workers. Streams templates to the browser as they're being parsed, and handles rendering iterables/Responses in templates by default.

bases. Hosts TSConfigs to extend in a TypeScript app, tuned to a particular runtime environment

MDsveX. A markdown preprocessor for Svelte.

playground-elements. Serverless coding environments for the web.

sandpack. A component toolkit for creating live-running code editing experiences, using the power of CodeSandbox.

gpt-migrate. Easily migrate your codebase from one framework or language to another.

shoehorn. Work seamlessly with partial mocks in TypeScript.

design-token-validator. Validate your design tokens

scooby. UI regression and fidelity testing framework

prettier. Prettier is an opinionated code formatter.

modern-guide-to-packaging-js-library. A guide to help ensure your JavaScript library is the most compatible, fast, and efficient library you can make.

Blotter. A JavaScript API for drawing unconventional text effects on the web.

spark-joy. ✨😂 2000+ ways to add design flair, user delight, and whimsy to your product.

awesome-cto. A curated and opinionated list of resources for Chief Technology Officers, with the emphasis on startups

awesome-python. An opinionated list of Python frameworks, libraries, tools, and resources

eslint. Find and fix problems in your JavaScript code.

plugin-samples. 🔌 Sample Figma plugins.

awesome-lit. A curated list of awesome Lit resources.

tldraw. Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.

atomico. Atomico a micro-library for creating webcomponents using only functions, hooks and virtual-dom.

awesome-web-development. 🧡 A curated list of awesome web development resources.

WebGL-Fluid-Simulation. Play with fluids in your browser (works even on mobile)

oui-ui. A set of web components that adheres to the research and proposals conducted by the OpenUI working group.

xstate-behaviors. Making web workers, web sockets, WebRTC, and other web-based APIs first-class actors in `xstate`.

system-design-primer. Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

system.css. A design system for building retro Apple interfaces

WinClassic_icons. Windows 2000 icon theme

material-web. Material Design Web Components

book. Web browser engineering (a book)

React95. A React components library with Win95 UI

shoelace. Shoelace is now Web Awesome. Come see what’s new!

chakra-ui. Chakra UI is a component system for building SaaS products with speed ⚡️

lit-draggable. An AsyncDirective for lit to drag elements

pointer-tracker. Track mouse/touch/pointer events for a given element.

ra-access-control-lists. React Admin permission management made easy. RA-ACL makes managing role-based permissions a breeze, while also providing declarative components to keep your code clean and maintainable

view-transitions.

react-admin. A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design

react-hook-form. 📋 React Hooks for form state management and validation (Web + React Native)

partytown. Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉

preconstruct. 🎁 Dev and build your code painlessly in monorepos

brain. Swyx's second brain!

launch-cheatsheet. how smart people launch things - collected advice for beginner indiehackers, focused on pricing, landing pages, and everything else that you need going up to a launch.

Contract-Templates.

Anime-Girls-Holding-Programming-Books. Anime Girls Holding Programming Books

rocket. The modern web setup for static sites with a sprinkle of JavaScript

lit-file-based-routing. Lit + File Based Routing + Nested Layouts

community-group. This is the official DTCG repository for the design tokens site and specification.

basic-computer-games. An updated version of the classic "Basic Computer Games" book, with well-written examples in a variety of common MEMORY SAFE, SCRIPTING programming languages. See https://coding-horror.github.io/basic-computer-games/

posters. Home Office Digital repository of posters covering different topics - research, access needs, accessibility, design.

theatre. Motion design editor for the web

aria-practices. WAI-ARIA Authoring Practices Guide (APG)

architecture-decision-record. Architecture decision record (ADR) examples for software planning, IT leadership, and template documentation

web-components-resources. Resources to accompany the article series

parse5. HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

web. Guides, tools and libraries for modern web development.

guild-cypress-workshop. JavaScript

reads. :books: A list of physical books I own and read

browser-fs-access. File System Access API with legacy fallback in the browser

patternfly-elements. PatternFly Elements. A set of community-created web components based on PatternFly design.

custom-elements-manifest. A file format for describing custom elements

open-wc. Open Web Components: guides, tools and libraries for developing web components.

vanilla-extract. Zero-runtime Stylesheets-in-TypeScript

inclusive-design-checklist. Aims to be the biggest checklist of inclusive design considerations ever

monorepo-vs-polyrepo. Monorepo vs. polyrepo: architecture for source code management (SCM) version control systems (VCS)

cypress. Fast, easy and reliable testing for anything that runs in a browser.

chromium. The official GitHub mirror of the Chromium source

element-internals-polyfill. A polyfill for the element internals specification

govuk-design-system. One place for service teams to find styles, components and patterns for designing government services.

changesets. 🦋 A tool to manage versioning and changelogs with a focus on monorepos

cypress-example-recipes. Various recipes for testing common scenarios with Cypress

wired-elements. Collection of custom elements that appear hand drawn. Great for wireframes or a fun look.

changesets.dev. Interactive exploration and learning platform for changesets

govuk-frontend. GOV.UK Frontend contains the code you need to start building a user interface for government platforms and services.

open-color. Color scheme for UI design.

git-branchless. High-velocity, monorepo-scale workflow for Git

whatthefuck.is. An opinionated glossary of computer science terms for front-end developers. Written by Dan Abramov.

mini-typescript. A miniature model of the Typescript compiler, intended to teach the structure of the real Typescript compiler

react-18. Workgroup for React 18 release.

react-performance. Let's make our apps fast ⚡

webcomponents. Web Components specifications

lion. Fundamental white label web component features for your design system.

csswg-drafts. CSS Working Group Editor Drafts

ant-design. An enterprise-class UI design language and React UI library

notion-sdk-js. Official Notion JavaScript Client

pnpm. Fast, disk space efficient package manager

ts-toolbelt. 👷 TypeScript's largest type utility library

utilities. a list of typescript helper libraries

CheatSheetSeries. The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

MSEdgeExplainers. Home for explainer documents originated by the Microsoft Edge team

template-jsx. Template rendering engine for JSX

advanced-react-patterns. This is the latest advanced react patterns workshop

open-ui. Maintain an open standard for UI and promote its adherence and adoption.

headlessui. Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

fontsource. Self-host Open Source fonts in neatly bundled NPM packages.

You-Dont-Need-GUI. Stop relying on GUI; CLI **ROCKS**

dayjs. ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

xstate-skill-tree. A POC to check determine whether it's feasible to move the skill tree's state logic over to statecharts

xstate-catalogue. Professionally designed, interactive state machines

graph-data-structure. A graph data structure with topological sort and shortest path algorithms.

portfolio-remake. JavaScript

sane-error-messages. Gone are the days of useless generic error messaging. Keep your end-users happy with `sane-error-messages`.

dag-tree. TypeScript

casl. CASL is an isomorphic authorization JavaScript library which restricts what resources a given user is allowed to access

android-capture. Capture video and screenshots from Android devices and emulators.

cypress-realworld-app. A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.

storybook. Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

excalidraw. Virtual whiteboard for sketching hand-drawn like diagrams

xstate-codegen. A codegen tool for 100% TS type-safety in XState

stackoverflow-clone. This project is a simplified a full stack clone of Stackoverflow.

js-diff. String differences using LCS and Levenshtein distance

es5-shim. ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines

react-native-iaphub. The easiest way to implement IAP (In-app purchase) in your React Native app.

You-Dont-Know-JS. A book series (2 published editions) on the JS language.

flowchart.js. Draws simple SVG flow chart diagrams from textual representation of the diagram

tmux-workspace-groupings. Easily create workspace-groupings in tmux

patch-package. Fix broken node modules instantly 🏃🏽‍♀️💨

assemblyscript. A TypeScript-like language for WebAssembly.

react-dag-tree.

You-Dont-Know-Axios. Enrich documents for axios

blueprint. A React-based UI toolkit for the web

owncast. Take control over your live stream video by running it yourself. Streaming + chat out of the box.

naming-cheatsheet. Comprehensive language-agnostic guidelines on variables naming. Home of the A/HC/LC pattern.

tailwindcss. A utility-first CSS framework for rapid UI development.

dagre-reactjs. React component for rendering a dagre graph layout without any dependency on d3

clean-code-javascript. Clean Code concepts adapted for JavaScript

html-dom. Common tasks of managing HTML DOM with vanilla JavaScript. Give me 1 ⭐if it’s useful.

umbrella. ⛱ Broadly scoped ecosystem & mono-repository of 215 TypeScript projects (and ~185 examples) for general purpose, functional, data driven development

Marketing-for-Engineers. A curated collection of marketing articles & tools to grow your product.

accessible_components. Listing of accessible components & patterns

react-native. A framework for building native applications using React

json-api. A specification for building JSON APIs

react-native-spotify-remote. React Native wrapper around the Spotify Remote SDK