Arnau Jiménez

skills. Skills for Real Engineers. Straight from my .agents directory.

ECC. The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

chartbrew. Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts 📈📊

metabase. The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

mitt. 🥊 Tiny 200 byte functional event emitter / pubsub.

typescript-go. Staging repo for development of native port of TypeScript

sourcemapper. Extract JavaScript source trees from Sourcemap files

base-ui. Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

pgsh. Branch your PostgreSQL Database like Git

js-lingui. 🌍 📖 A readable, automated, and optimized (2 kb) internationalization for JavaScript

next-intl. 🌐 Internationalization (i18n) for Next.js

basemap-styles. CARTO basemap public styles

spec. The canonical spec for ulid

prisma-extension-kysely. Drop down to raw SQL in Prisma without sacrificing type safety!

kbar. fast, portable, and extensible cmd+k interface for your site

harness. Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries.

knip. ✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!

ts-pattern. 🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.

qnm. :mag: cli utility for querying the node_modules directory

ui. A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

kysely. A type-safe TypeScript SQL query builder

gel. Gel supercharges Postgres with a modern data model, graph queries, Auth & AI solutions, and much more.

safeql. Validate and auto-generate TypeScript types from raw SQL queries in PostgreSQL.

react-pdf-tailwind. Use Tailwind CSS to style PDFs created with react-pdf

tremor-npm. React components to build charts and dashboards

sonner. An opinionated toast component for React.

zenstack. Modern data layer for TypeScript apps - type-safe ORM, built-in access control, automatic query services

prisma-import. Bringing import statements to Prisma schemas

typebot.io. 💬 Typebot is a powerful chatbot builder that you can self-host.

cRonstrue. JavaScript library that translates Cron expressions into human readable descriptions

dive. A tool for exploring each layer in a docker image

use-lilius. 📅 A headless calendar hook for React.

design-system. Design system that was used by @modulz. It’s now archived and superceded by Radix Themes. (See https://github.com/radix-ui/themes)

verdaccio. A lightweight Node.js private proxy registry

autorestic. Config driven, easy backup cli for restic.

react-pdf. 📄 Create PDF files using React

zod. TypeScript-first schema validation with static type inference

deepkit. modular high-performance TypeScript framework

laravel-ide-helper. IDE Helper for Laravel

lucide. Beautiful & consistent icon toolkit made by the community. Open-source project and a fork of Feather Icons.

nivo. nivo provides a rich set of dataviz components, built on top of the awesome d3 and React libraries

docker-github-actions-runner. This will run the new self-hosted github actions runners with docker-in-docker

next-seo. Next SEO is a plug in that makes managing your SEO easier in Next.js projects.

mailing. Build, test, send emails with React

onedev. The Unified and Autonomous Development Platform

react-player. A React component for playing a variety of URLs, including file paths, YouTube, Facebook, Twitch, SoundCloud, Streamable, Vimeo, Wistia and DailyMotion

turborepo. Build system optimized for JavaScript and TypeScript, written in Rust

localstack. 💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

query. 🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

web. React hooks done right, for browser and SSR.

unocss. The instant on-demand atomic CSS engine.

graphql-code-generator. A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

codegen-graph-ts. Create generated code based on a subgraph from The Graph

terraform-aws-next-js. Terraform module for building and deploying Next.js apps to AWS. Supports SSR (Lambda), Static (S3) and API (Lambda) pages.

dotenv-vault. sync .env files—from the creator of `dotenv`.

express-fileupload. Simple express file upload middleware that wraps around busboy

siwe. Sign-In with Ethereum library

wagmi. Reactive primitives for Ethereum apps

neftie. The neftie platform

Open-Sauce-Fonts. Open Sauce Fonts is a font super family that I developed for Creative Sauce's internal type system. It is a compact typeface that is optimised for better viewing small text on screen and print. Open Sauce fonts (Sans, One and Two) are under the SIL Open Font License and is going to be actively developed, improved and tested.

MailHog. Web and API based SMTP testing

react-data-grid. Feature-rich and customizable data grid React component

node-rate-limiter-flexible. Atomic and non-atomic counters and rate limiting tools. Limit resource access at any scale.

awesome-piracy. A curated list of awesome warez and piracy links

fp-ts-std. The missing pseudo-standard library for fp-ts.

stitches. [Not Actively Maintained] CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.

solidity. Solidity, the Smart Contract Programming Language

ioredis. 🚀 A robust, performance-focused, and full-featured Redis client for Node.js.

decimal.js. An arbitrary-precision Decimal type for JavaScript

sqltyper. TypeScript types for raw PostgreSQL queries

yarn.build. Build 🛠 and Bundle 📦 your local workspaces. Like Bazel, Buck, Pants and Please but for Yarn Berry. Build any language, mix javascript, typescript, golang and more in one polyglot repo. Ship your bundles to AWS Lambda, Docker, or any nodejs runtime.

vector. A high-performance observability data pipeline.

Next.js-Flat-Prototype-Pollution. Prototype Pollution using `flat` with Next.js

terminus. Graceful shutdown and Kubernetes readiness / liveness checks for any Node.js HTTP applications

next.js. The React Framework

guide. Kubernetes clusters for the hobbyist.

blog.maximeheckel.com. Codebase of @MaximeHeckel's personal blog

nextjs-monorepo-example. Collection of monorepo tips & tricks

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

return-youtube-dislike. Chrome extension to return youtube dislikes

node-checklist. Summary of Node Best Practices

yup. Dead simple Object schema validation

zustand. 🐻 Bear necessities for state management in React

twin.macro. 🦹‍♂️ Twin blends the magic of Tailwind with the flexibility of css-in-js (emotion, styled-components, solid-styled-components, stitches and goober) at build time.

nprogress. For slim progress bars like on YouTube, Medium, etc

react-markdown. Markdown component for React

downshift. 🏎 A set of primitives to build simple, flexible, WAI-ARIA compliant React autocomplete, combobox or select dropdown components.

next-sitemap. Sitemap generator for next.js. Generate sitemap(s) and robots.txt for all static/pre-rendered/dynamic/server-side pages.

next-translate. Next.js plugin + i18n API for Next.js 🌍 - Load page translations and use them in an easy way!

react-use. React Hooks — 👍

express-openapi-validator. 🦋 Auto-validates api requests, responses, and securities using ExpressJS and an OpenAPI 3.1.x or 3.0.x specification

typera. Type-safe routes for Express and Koa

jest-coverage-badges. Create jest coverage badges (from all jest types)

pg-boss. Queueing jobs in Postgres from Node.js like a boss

ms. Tiny millisecond conversion utility

worker. High performance Node.js/PostgreSQL job queue (also suitable for getting jobs generated by PostgreSQL triggers/functions out into a different work queue)

typedoc. Documentation generator for TypeScript projects.

simplemde-markdown-editor. A simple, beautiful, and embeddable JavaScript Markdown editor. Delightful editing for beginners and experts alike. Features built-in autosaving and spell checking.

sqlectron. A simple and lightweight SQL client desktop with cross database and platform support.

windmill-dashboard-react-ts. Typescript version of the popular windmill-dashboard-react

windmill-dashboard-react. ❄ A multi theme, completely accessible, ready for production dashboard.

prisma. Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

type-challenges. Collection of TypeScript type challenges with online judge

env2ts. Dead simple env file parsing for TypeScript

duxcore. Duxcore, a next generation hosting platform?

dogehouse. Taking voice conversations to the moon 🚀

Splitting. JavaScript microlibrary to split an element by words, characters, children and more, populated with CSS variables!

react-route-transition. A tiny and simple transition orchestrator for React

p5.js-parallax. Stars and multi-layer image parallax in p5.js.

fish-game. Made with p5.js. Eat as many fish as you can in under 1 minute.

custom-cursor-react. 🎉 Animated, customizable and interactive cursor for React

color-picker. 🎨 A compact color picker panel for React.

template-reactnpm. Template to publishing a react component on npm

NodeJS-REST-Tutorial. JavaScript