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⚡ Frameworks

Supported frameworks, when to use each, and what's included in your project.

Quick Comparison

Framework Type DB SSR Auth API Routes Best For
Django Full-stack ✓ ✓ ✓ ✓ SaaS apps, admin panels, content sites
Flask Micro ✓ ✓ — ✓ APIs, microservices, custom apps
FastAPI API ✓ — — ✓ REST/GraphQL APIs, ML backends
Next.js Full-stack ✓ ✓ — ✓ Modern web apps, dashboards, marketing
React / Vue / Svelte Frontend ✓ — — — SPAs, interactive UIs
HTML / JS Static ✓ — — — Landing pages, forms, simple sites
Hugo Static — ✓ — — Blogs, docs, content-heavy sites
.NET Full-stack ✓ ✓ ✓ ✓ Enterprise apps, C# ecosystem

All server-side projects get a dedicated PostgreSQL database. Static sites get the Form API for data storage.

Which Framework Should I Choose?

1

Need a database and user accounts? → Django, Flask, FastAPI, Next.js, .NET, Go, or Rust

2

Need server-side rendering (SEO, fast initial load)? → Django, Next.js, Hugo, .NET

3

Building an API only? → FastAPI (best), Flask

4

Just a landing page or form? → HTML/JS (simplest), Hugo (for blogs)

5

Want AI to build it for you? → Pick any framework — the wizard generates a working starter with best-practice defaults

Python

Django

Full-stack

Batteries-included web framework with ORM, admin panel, authentication, and templating. The most complete framework for building SaaS applications.

Good for:
  • SaaS apps with user accounts and dashboards
  • Content management and admin panels
  • APIs that also need a web UI
  • Projects where you want a lot built-in
Postgres via psycopg · Auto-migrate + admin user on deploy

Flask

Micro

Lightweight and flexible — you pick the components. SQLAlchemy, Flask-Migrate, and psycopg pre-configured in the starter template.

Good for:
  • REST APIs and microservices
  • Simple web apps where Django feels too heavy
  • Projects where you want full control over libraries
Postgres via flask-sqlalchemy + flask-migrate

FastAPI

API

High-performance async framework with automatic OpenAPI documentation, type validation, and dependency injection.

Good for:
  • REST and GraphQL APIs
  • ML/AI model serving backends
  • Webhooks and event-driven services
  • When auto-generated API docs are valuable
Postgres via psycopg or SQLAlchemy

JavaScript / TypeScript

Next.js

Full-stack SSR

React framework with server-side rendering, API routes, and static generation. Prisma + Postgres pre-configured in the starter template.

Good for:
  • Modern web apps needing SEO + interactivity
  • Dashboards and internal tools
  • Marketing sites with dynamic content
  • Full-stack apps with React frontend
Postgres via Prisma + @prisma/client

React

Frontend SPA

Component-based UI library. Create React App or Vite setups supported. Build interactive single-page applications.

Good for:
  • Interactive single-page applications
  • Frontend-heavy apps with a separate API backend
  • When you want a large component ecosystem
Postgres available via env vars — connect from client or API routes

Vue

Frontend SPA

Progressive framework — easy to start, scales to complex SPAs. Great developer experience with the Composition API.

Good for:
  • SPAs and dashboards
  • Teams transitioning from jQuery or vanilla JS
  • Projects wanting a gentler learning curve than React
Postgres available via env vars

Svelte

Frontend SPA

Compile-time framework — no virtual DOM overhead. Ships minimal JavaScript. Extremely fast and lightweight.

Good for:
  • Performance-sensitive applications
  • Small bundle size matters (embedded widgets, mobile web)
  • Developers who prefer writing less boilerplate
Postgres available via env vars

Static Sites

HTML / CSS / JS

Static

No build step needed. Plain HTML, CSS, and JavaScript served directly. The simplest way to get a site up.

Good for:
  • Landing pages and marketing sites
  • Contact forms and simple data collection
  • Prototypes and MVPs
  • When you want zero complexity
Data via Form API — store submissions without writing backend code

Hugo

Static SSG

Blazing-fast static site generator. Markdown content, built-in themes, and instant page loads.

Good for:
  • Blogs and documentation sites
  • Content-heavy sites with lots of pages
  • When you want built-in theming
Change themes from project settings · No server-side database

.NET / C#

ASP.NET Core

Full-stack

Enterprise-grade framework with Entity Framework Core, Identity, and MVC. EF Core + Npgsql + Postgres pre-configured with auto-migrate on startup.

Good for:
  • Enterprise applications and internal tools
  • Teams already in the C# / .NET ecosystem
  • High-performance APIs with strong typing
  • When you need robust DI and middleware pipeline
Postgres via EF Core + Npgsql · Auto-migrate on startup

Data Storage by Framework Type

Type Database How
Full-stack (Django, .NET, Next.js) PostgreSQL ORM pre-configured · Auto-migrate on deploy · Full SQL access from Database Console
API (FastAPI, Flask, Go, Rust) PostgreSQL Driver installed · DATABASE_URL env var · Create tables with migrations or raw SQL
Frontend SPA (React, Vue, Svelte) PostgreSQL DATABASE_URL available · Connect from API routes or a paired backend
Static (HTML/JS, Hugo) Form API POST form data to /api/forms/{slug}/ · No backend code needed · View submissions in Database Console
💡 Not sure? Just pick one.

The AI wizard generates a working project regardless of which framework you choose. You can always switch later — the wizard can scaffold new components in any supported framework. Start with what's familiar and let the AI handle the rest.

All projects get: Dedicated PostgreSQL database, SSL certificates, preview domain (*.preview.saasclaw.ai), Git repository, and the AI wizard for iterative development. Deploy to production with a custom domain at any time.