Query anything (GitHub, Notion, +40 more) with SQL and let LLMs (ChatGPT, Claude) connect to using MCP

Postgres MCP Pro provides configurable read/write access and performance analysis for you and your AI agents.

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

open file format for localizing software (i18n)

A tiny (286 bytes) state manager for React/RN/Preact/Vue/Svelte with many atomic tree-shakable stores

DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

🌲 super fast, all natural json logger

A modern logging library for Javascript / Typescript that routes logs to various logging libraries, cloud providers, files, StatsD, and OpenTelemetry while providing a fluent API for specifying log…

Build full-stack apps on your own infrastructure.

A Periodic Table of System Design Principles

JavaScript animation engine

UI Library for Design Engineers. Animated components and effects you can copy and paste into your apps. Free. Open Source.

🪓 Run Background Tasks at Scale

Type-safe search params state manager for React frameworks - Like useState, but stored in the URL query string.

Turns XLSX into a readable stream.

A set of higher-order components to turn any list into an animated, accessible and touch-friendly sortable list✌️

Ergonomic Framework for Humans

Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.

Creative Coding: Generative Art, Data visualization, Interaction Design, Resources.

The modular and type safe schema library for validating structural data 🤖

tailwindcss-motion is a Tailwind CSS Plugin made at RomboHQ. It’s a simple, yet powerful, animation library with a simple syntax.

Type safe and validated Server Actions in your Next.js project.

ORM

Legend-State is a super fast and powerful state library that enables fine-grained reactivity and easy automatic persistence

The Open Source DocuSign Alternative.

World countries in JSON, YAML, CSV and XML. Any help is welcome!

text-box-trim examples and playground (previously known as leading-trim)

A polyfill of ScrollTimeline.

ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.

Essential building-blocks for functional & safe TypeScript code