Lightweight type-safe router for React

The state manager you won’t fight with

Recursive diff report for objects, arrays, and strings with stable references

Serve single-page apps with Bun, fast and customizable

Efficient Radix UI context menus anywhere (even canvas) without the boilerplate

Render React nodes imperatively

A renderer‑agnostic library for building interactive flowcharts, graphs, and node‑based editors - fully customizable with theming and plugin support

Simplest possible batch loader

Tiny superset of Express for strongly typed, contract-first API development. Supports OpenAPI, request validation, nested routers, and regular Express for incremental adoption.

Autofill component schemas from OpenAPI spec.

Live queries for tRPC (and oRPC). Real-time client updates and server-side invalidation. Built on tRPC subscriptions. 🔄

Zustand bindings for tRPC. Manage tRPC queries, mutations and subscriptions as Zustand stores.

An inline, fast, powerful and lightweight PEG parser generator for JavaScript and TypeScript, with semantic actions, parametrized rules, support for native regexps, error recovery, warnings, integr…

Given two arrays A and B, returns what should be added, updated and / or removed when going from A to B

Change midi BPM without changing duration

useEffect but for async effects

A tiny wrapper around monk

Reinforcement learning for the game of snake

A React Hook and helper function to dynamically adjust the font size of an HTML element to fit its container.

Actual ORM for MongoDB

Visualize neural networks in your browser

A happy marriage between the relational and the NoSQL world

Compile-time regex to validate string literal types

Add preprocess-loader to a react-app-rewired config.

Add ifdef-loader to a react-app-rewired config.

A little machine learning demo to recognize digits

Deduplicate any promise