Create a B2B AI SaaS with Next.js

In this video, we build a B2B AI-powered SaaS: a team communication platform with channels, threads, reactions, infinite scroll, real-time updates via Cloudflare Durable Objects, and billing. It also includes AI features like thread summarization and a one-click AI message composer. This is my most in-depth tutorial yet!

 Features:

• 🌐 Next.js 15

• 🎨 Tailwind CSS & Shadcn UI

• 🔒 Authentication with Kinde (OAuth & Magic Links)

• 🛡️ Arcjet Security - protects against XSS, SQL injection, and other common attacks

• 🧠 Organizations

• 💵 Billing with monthly tiers

• 🚫 Rate limiting

• 👾 Custom rich text editor

• 🚀 AI thread summarization & composer

• 👨‍🚀 Thread support

• 🏎️ Realtime with Cloudflare Durable Objects

• 🫣 Emoji reactions

• 🖼️ Image uploads with presigned URLs

• 🦾 Channels

• ✅ Realtime presence

• 👥 Invite members

• 📜 Reverse infinite scroll

• 🖊️ Edit messages

• 💂 Self-serve customer portal

• 🧮 Neon Postgres database

• 💾 Prisma ORM

• 🚀 Deployed on Vercel