Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

High Fidelity Detection Mechanism for RSC/Next.js RCE (CVE-2025-55182 & CVE-2025-66478)

Kanban as it should be. Not as it has been.

A free, open-source javascript fingerprinting library

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

A fast cache that automatically deletes the least recently used items

Modern HTTP benchmarking tool

HTTP load generator, ApacheBench (ab) replacement

Open-source TypeScript framework for building durable, resumable workflows.

The elegant bundler for libraries powered by Rolldown

🌲 super fast, all natural json logger

A drop-in replacement for react-markdown, designed for AI-powered streaming.

Open source Patreon alternative with lower fees designed for creators who publish ongoing sequential content like books, podcasts, and comics.

Official Dub iOS SDK (BETA)

Ergonomic Framework for Humans

The Developer-First Cookie Banner

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

Bidirectional Channels for JavaScript

a free and opensource app that lets you gain an unfair advantage

A visual no-code theme editor for shadcn/ui components

iOS-like wheel picker for React with smooth inertia scrolling and infinite loop support. / Backed by ▲Vercel OSS Program

Convert Notion pages, blocks, or entire lists into any format: Markdown, MDX, JSX, HTML, LaTeX, and more. A powerful Notion conversion engine that lets you write once in Notion and publish seamless…

This AI fact-checking system, built with LangGraph, dissects text into verifiable claims, cross-referencing them with real-world evidence via web searches. It then generates detailed accuracy repor…

A modern CLI tool for scaffolding end-to-end type-safe TypeScript projects with best practices and customizable configurations

Digger is an open source IaC orchestration tool. Digger allows you to run IaC in your existing CI pipeline ⚡️

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

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:

🔥 AI-powered data enrichment tool that transforms emails into rich datasets with company profiles, funding data, tech stacks, and more using Firecrawl and multi-agent AI

Stream resumption for web streams