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Tools

23 tools across 6 categories. Every free-tier line was checked against the vendor's official pricing or docs page, linked on each tool page.

Hosting

Where your app lives once it leaves the AI builder preview.

Git-connected hosting with a global CDN, serverless functions and preview deployments for every push. The default target for Next.js and v0 projects, and it also deploys Vite apps exported from Bolt or Lovable.

Free: Hobby plan: $0/month, 1 developer seat

Netlify

Static and serverless hosting with deploy previews, functions, forms and a CDN. Popular for Vite/React SPAs exported from AI builders.

Free: Free plan: $0 forever with a 300-credit monthly limit

Cloudflare Pages

Static site hosting on Cloudflare's network with Git integration, unlimited preview deployments and optional Functions (which run on Workers).

Free: 500 builds/month, 1 build at a time

Render

Hosting for long-running web services (Node, Python, Rails and more), static sites, Postgres and Redis-compatible Key Value. Useful when your app has a real backend server, not just a front-end.

Free: Free web services: 750 free instance hours per workspace per month

Database

Managed Postgres, SQLite and document stores with free tiers.

Supabase

Hosted Postgres with auth, storage, realtime and edge functions in one project. It is the backend Lovable and many Bolt apps connect to.

Free: 500 MB database, 1 GB file storage, 5 GB egress

Neon

Serverless Postgres that scales to zero when idle, with database branching. Works with any Postgres client or ORM (Prisma, Drizzle).

Free: Up to 100 projects, no credit card required

Turso

Hosted SQLite-compatible databases. Lightweight enough to give every user or tenant their own database.

Free: $0/month, no credit card required

Firebase (Cloud Firestore)

Google's app platform: Firestore document database, Auth, Hosting and Cloud Messaging. Common in apps built with Firebase Studio.

Free: Spark plan: no payment method needed

Auth

Sign-up, login, sessions and social sign-in without writing it from scratch.

Clerk

Drop-in authentication and user management with prebuilt sign-in, sign-up and profile UI components. Bills on monthly retained users instead of raw sign-ups.

Free: Hobby: free, no credit card required

Auth0

Okta's hosted identity platform: universal login, social and passwordless sign-in, organizations and enterprise connections.

Free: Free plan: up to 25,000 monthly active users, no credit card to sign up

Supabase Auth

The auth service built into every Supabase project: email/password, magic links, OAuth providers and anonymous sign-ins, tied directly to Row Level Security.

Free: 50,000 monthly active users on the Free plan

Better Auth

An open-source TypeScript authentication framework that runs inside your own app and database. Plugins add 2FA, passkeys, magic links, organizations, SSO and more.

Free: Open-source library: no per-user fees when self-hosted

Payments

Taking money: payment processors and merchants of record.

Stripe

The standard payments API: cards, wallets, subscriptions (Billing), hosted Checkout and no-code Payment Links.

Free: No setup or monthly fees; you pay per successful transaction

Lemon Squeezy

A merchant of record for digital products and SaaS. It collects and remits sales tax and VAT for you, and handles subscriptions, license keys and checkout.

Free: No monthly fee

Polar

A developer-focused merchant of record for subscriptions, one-off sales and usage billing, with publicly posted rates.

Free: Starter plan: no monthly fee

Security

Catch leaked keys, vulnerable dependencies and attacks before users do.

GitHub Secret Scanning Push Protection

Blocks git pushes that contain recognized secrets (API keys, tokens, private keys) before they land in your repository.

Free: Push protection for users is on by default for every GitHub.com account

Gitleaks

An open-source command-line tool that scans git repositories, files and history for hardcoded secrets. Can run locally, as a pre-commit hook or in CI.

Free: Open source and free to run

Snyk

Scans your dependencies (SCA), source code (SAST), infrastructure-as-code and containers for known vulnerabilities, with IDE, CLI and Git integrations.

Free: Free plan for individual developers and small teams