CopilotKit | The Agentic Framework for In-App AI Copilots

Build AI copilots that feel native to your app. CopilotKit lets you integrate LLMs or agents with real-time context, UI control, and full flexibility.

Fly.io - App and VM Hosting for Code

Full-Stack Sandboxes for User or Robot Code

Factory | Agent-Native Software Development

Build faster with AI coding agents. Factory Droids automate coding, testing, and deployment for startups and enterprises.

React Scan

React Scan automatically detects and highlights components that cause performance issues in your React app. Drop it in anywhere – script tag, npm, you...

AI Company Research Tool

Web app for AI-driven company research

williamcallahan.com

Interactive personal site with beautiful terminal/code components & other dynamic content

Adding a GitHub Contribution Graph to Next.js

How to add a GitHub contribution graph to your Next.js site using GitHub's GraphQL API, with server-side caching.

Building an Interactive Terminal in Next.js

Building a simulated terminal UI with macOS-like window controls in Next.js, focusing on global state management and hydration patterns.

How I Host My Apps: How to Deploy in 2025

The hosting setup I use for aVenture.vc, plus why you shouldn't waste time with complex cloud services when starting out.

Greetings from the 2024 Next.js Conference in San Francisco

Quick highlights from Next.js Conf 2024 in SF, including chats with Sahil Lavingia, Theo Browne, and Rahul Sonwalkar, plus winning a mechanical keyboa...

Heroes Jobs

The app for Gen Z searching for a job

Copilot

Personal finance app using AI to help young professionals track, understand, and optimize their spending and savings.