🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

Sweep: AI coding assistant for JetBrains

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Drag and Drop for React

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

TypeScript-first schema validation with static type inference

⏱ A library for working with dates and times in JS

⏳ Modern JavaScript date utility library ⌛️

Virtual whiteboard for sketching hand-drawn like diagrams

The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.

An opinionated collection of components, hooks, and utilities for your Next.js project.

Python package for controlling a Whisker connected self-cleaning litter boxes and feeders

The best way to start a full-stack, typesafe Next.js app

A JavaScript library to position floating elements and create interactions for them.

The next-gen web framework.

Companion repo to a course hosted on Udemy

Runtime type checking for React props and similar objects

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

A querystring parser with nesting support

The XCTest Project, A Swift core library for providing unit test support

🐏 Practical functional Javascript

Delightful JavaScript Testing.

An extremely fast bundler for the web

👩‍🎤 CSS-in-JS library designed for high performance style composition

Mobile-first, accessible components for React Native & Web to build consistent UI across Android, iOS and Web.

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

A utility-first CSS framework for rapid UI development.

Chakra UI is a component system for building products with speed ⚡️

Create elegant HTML email templates using React.