Quatrain Core · AGPL-v3 Open Source

Quatrain Core— the engine for infra-agnostic business logic.

Quatrain Core is a cloud-native suite of development bricks for building stateful applications. One Core for developers writing code and business experts orchestrating workflows.

Cloud-native
K8s, serverless, bare metal
Stateful
BPM + state machines
Dual access
Code & no-code
Open source
AGPL-v3-only
Flagship — In progress

Autonomous business ops, by Quatrain Core.

The Quatrain Core AI agent translates natural-language requirements into BPM workflows and state machines, then deploys them on the infrastructure of your choice. Full lifecycle management included.

  • Infrastructure agnostic

    Compile to Kubernetes, serverless, or bare metal.

  • Deep BPM integration

    Native support for complex state-machine orchestration.

  • Lifecycle aware

    Status, transitions, audit trails out of the box.

Explore the AI agent
Visual Logic Designer
STARTAI DECIDEAPPROVEREJECT
For developers

The SDK approach

Import high-level bricks directly into your stack. Type-safe, cloud-native, fully extensible.

import { Workflow } from '@quatrain/flow';

const orderProcess = new Workflow({
  id: 'order-processing',
  states: ['draft', 'submitted', 'approved', 'fulfilled'],
  transitions: [
    { from: 'draft', to: 'submitted', on: 'submit' },
    { from: 'submitted', to: 'approved', on: 'approve' },
  ],
});
Read the quickstart
For business experts

Visual orchestration

Build production-ready apps with a drag-and-drop interface that compiles to enterprise-grade state machines.

See the no-code studio
Use cases

Build the systems that run a business — with Quatrain Core.

Approval workflows

Multi-step BPM with role-based gates and SLAs.

Lightweight ERP

Stateful business objects across the full lifecycle.

AI-generated apps

Describe a process — get a deployed application.

All use cases
Compatible platforms

Bring your own infrastructure.

  • FirebaseFirebase
  • FirestoreFirestore
  • SupabaseSupabase
  • PostgreSQLPostgreSQL
  • SQLiteSQLite
  • AWSAWS
  • Google CloudGoogle Cloud
  • ScalewayScaleway
  • KubernetesKubernetes
  • DockerDocker
  • PodmanPodman
  • FirebaseFirebase
  • FirestoreFirestore
  • SupabaseSupabase
  • PostgreSQLPostgreSQL
  • SQLiteSQLite
  • AWSAWS
  • Google CloudGoogle Cloud
  • ScalewayScaleway
  • KubernetesKubernetes
  • DockerDocker
  • PodmanPodman

The whole Quatrain Core monorepo, on GitHub.

Packages, apps, and containers — every Core brick fully documented and AGPL-v3 licensed.

Open Core monorepo