Describe your idea in chat and Lovable turns it into a working app or website
Describe your idea in chat and Lovable turns it into a working app or website
BuilderKit records 4,574 monthly visits with +18.1% month-over-month growth and One-time purchase pricing. Open SaaS records 8,996 monthly visits with -44.8% growth and Free pricing.

Ship AI SaaS apps fast with a modular Next.js boilerplate
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | builderkit.ai | opensaas.sh |
| Pricing Model | One-time purchase | Free |
| Monthly Visits | 4.57K (4,574) | 9K (8,996) |
| MoM Traffic Delta | +702 (+18.1%) | -7.3K (-44.8%) |
| Primary Market & Share | 🇺🇸 United States (66.9%) | 🇺🇸 United States (28%) |
| Direct Visits / mo | 1.79K | 3.63K |
| User Rating | 4.3 | 4.6 |
| Supported Platforms | Website | Website |

Ship AI SaaS apps fast with a modular Next.js boilerplate
A typesafe TypeScript and Next.js codebase with server-side rendering, clean components, Postgres tables on Supabase and row-level security already configured.
Chat, text generation, image generation, speech-to-text and text-to-speech modules with support for major model providers, so you can pick and swap LLM or media APIs.
Supabase authentication with Google sign-in and magic links, Stripe and Lemon Squeezy checkout, plus Loops or Resend transactional email integrations.
Pre-built marketing pages, waitlist templates, SEO metadata, automated sitemaps and an admin dashboard for managing users, usage and plans.
Free, open-source React + Node.js SaaS starter kit
Full-stack authentication is already wired into the template, including social login flows, so you control the users table and session logic end to end.
Checkout and webhooks are pre-built for Stripe, Polar.sh and Lemon Squeezy. Pick a provider and start accepting payments without rebuilding billing each time.
A ready-made admin area ships with graphs, tables and analytics integration for Plausible or Google Analytics so you can watch product metrics from day one.
A working AI-powered demo app is included, giving you a concrete pattern for calling a large language model from your own backend.
Describe your idea in chat and Lovable turns it into a working app or website
Describe your idea in chat and Lovable turns it into a working app or website

Build working apps, websites, and AI agents by describing them
Build working apps, websites, and AI agents by describing them

Describe your idea and Replit builds a working app in minutes
Free / Open-sourceDescribe an app in chat and ship it
Free / Open-sourceDescribe an app in chat and ship it
Free / Open-sourceBuild websites and apps by chatting with AI in your browser
Free / Open-sourceBuild websites and apps by chatting with AI in your browser

Free / Open-sourceDescribe the software you need, and Blink builds and hosts it
Free / Open-sourceDescribe the software you need, and Blink builds and hosts it
Build and deploy apps, websites and AI agents from a prompt

The NextJS boilerplate that gets your SaaS to first revenue fast
The NextJS boilerplate that gets your SaaS to first revenue fast

Free / Open-sourceBuild SaaS from reusable micro-apps, then drop into code
Free / Open-sourceBuild SaaS from reusable micro-apps, then drop into code
Production-ready Next.js SaaS boilerplate with auth, payments, AI and CMS built in
Production-ready Next.js SaaS boilerplate with auth, payments, AI and CMS built in

Free / Open-sourceOpen-source starter kit for building custom design apps with AI
Free / Open-sourceOpen-source starter kit for building custom design apps with AI

The SaaS starter kit structured for AI-written code
The SaaS starter kit structured for AI-written code