Ship Like Low-Code, Control Like Pro-Code

The Pro-Code-First Framework

Build production apps in days using AI and composable packages, while keeping every line of code in your Git repo. No lock-in. No magic. Just clean TypeScript you own.

Get early access and exclusive updates

Your Code, Your Git
Real TypeScript
Deploy Anywhere
Open Source Core

Best of Both Worlds

Get low-code speed without sacrificing pro-code control. Build faster, own everything.

Your Code, Your Git

Every line of code lives in your repository. No proprietary databases, no vendor lock-in. Deploy anywhere.

AI Assistant, Not Magic

Describe what you need in plain English. AI generates real TypeScript code you can understand and modify.

10x Faster Development

Ship in days what used to take months. Pre-built packages for auth, payments, and more.

Production-Ready Code

Clean TypeScript and React. No proprietary markup. Any developer can jump in and contribute.

Composable Packages

Battle-tested components that work together. Authentication, database, UI - mix and match as needed.

DSL Transparency

See the blueprint behind every feature. Understand exactly what's being built and why.

No Seat-Based Pricing

Pay for usage, not users. Scale your team without penalty. Open source core.

Deploy Anywhere

Vercel, AWS, self-host - your choice. It's just Next.js and Node. No platform requirements.

Production-Ready Packages

Battle-tested components that work together seamlessly

Essentials

Authentication
Database
API Routes

UI/UX

Component Library
Forms & Validation
Data Tables

Business

Stripe Payments
Email System
File Storage

DevOps

Monitoring
Testing Utils
Deploy Scripts

Three Ways to Build - All Output Real Code

Choose your style: AI, Code, or DSL. You always get clean TypeScript.

app.tsx
400">"text-gray-500">// Method 1: Describe in plain English
> 400">"I need a customer portal with invoicing"

400">"text-gray-500">// Method 2: See the DSL blueprint 400">(always transparent400">)
model Customer 400">{
  id: string @id
  name: string
  invoices: Invoice400">[400">]
400">}

interface CustomerPortal 400">{
  dashboard: Dashboard
  invoiceList: ListView
  permissions: 400">[400">"view:own", 400">"pay:invoice"400">]
400">}

400">"text-gray-500">// Method 3: Get production TypeScript 400">(what you actually deploy400">)
400">import 400">{ createPortal 400">} 400">from 400">'@org/portals'
400">import 400">{ Invoice 400">} 400">from 400">'@org/billing'
400">import 400">{ useAuth 400">} 400">from 400">'@org/auth'

400">export 400">default 400">createPortal400">(400">{
  name: 400">'CustomerPortal',
  models: 400">[Customer, Invoice400">],
  views: 400">{
    dashboard: CustomerDashboard,
    invoices: InvoiceListView,
  400">},
  permissions: customerPermissions,
400">}400">)

400">"text-gray-500">// This is YOUR code in YOUR git repo. No magic. No lock-in.

Loved by Developers

See what teams are building with mosaicOS

We shipped our MVP in a weekend instead of 3 months. Having real code we can customize was crucial for our pivot.

SC
Sarah Chen
CTO at Series A Startup

Finally, a low-code tool that outputs code I'm not embarrassed by. My team can actually understand and modify it.

MR
Marcus Rodriguez
Agency Technical Director

Migrated from Retool in 2 days. Now we own our code and aren't paying per seat. Saved $30k/year already.

EW
Emily Watson
VP Engineering at SaaS Co

Built for Speed and Control

Ship faster without sacrificing ownership

5
Minutes to First App
10x
Faster Development
10k+
Lines of Code Saved
100%
Code You Own

Start Building Without Lock-in

Ship your first app in 5 minutes. Keep all the code. Scale without limits.