VERIFIED TOOL DIRECTORY

Tools, with the receipts.

Browse the launch cohort by category. Every page explains where the tool fits, when it does not, what it costs where verified, and which official sources were checked.

Frontend framework

Next.js

Frontend framework

Provides a React framework for routing, rendering, server functions, and production web application delivery.

Last verified September 10, 2026

Backend & database (BaaS)

Supabase

Backend & database (BaaS)

Packages a managed Postgres database with authentication, storage, realtime features, and server-side functions.

Last verified September 10, 2026

Authentication

Clerk

Authentication

Provides hosted user authentication, session management, account interfaces, and identity integrations for applications.

Last verified September 10, 2026

AI model API

OpenAI API

AI model API

Provides hosted models and tools that applications can call for text, reasoning, search, image, audio, and agent workflows.

Last verified September 10, 2026

Payments (Merchant of Record)

Lemon Squeezy

Payments (Merchant of Record)

Acts as merchant of record for digital-product payments and handles checkout, tax collection, subscriptions, and payouts.

Last verified September 10, 2026

Deployment & hosting

Vercel

Deployment & hosting

Builds and deploys web applications with managed previews, production releases, edge delivery, and runtime services.

Last verified September 10, 2026

Product analytics

PostHog

Product analytics

Combines product analytics, session replay, feature flags, surveys, and related product-observation tools.

Last verified September 10, 2026

Transactional email

Resend

Transactional email

Sends application-triggered email through an API and provides domain, delivery, log, and template tooling.

Last verified September 10, 2026

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