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.
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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
UI/UX
Business
DevOps
Three Ways to Build - All Output Real Code
Choose your style: AI, Code, or DSL. You always get clean TypeScript.
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.”
“Finally, a low-code tool that outputs code I'm not embarrassed by. My team can actually understand and modify it.”
“Migrated from Retool in 2 days. Now we own our code and aren't paying per seat. Saved $30k/year already.”
Built for Speed and Control
Ship faster without sacrificing ownership
Start Building Without Lock-in
Ship your first app in 5 minutes. Keep all the code. Scale without limits.