OpenL Tablets - Business Rules Management Made Simple

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# OpenL Tablets - Business Rules Management Made Simple

**Empower your business users to manage complex rules in Excel. Deploy them as enterprise-grade services. No coding required.**

[Get Started in 2 Minutes](#quick-start) | [Read the Docs](Docs/user-guides/) | [Download](https://openl-tablets.org/downloads)

---

## What is OpenL Tablets?

OpenL Tablets is an open-source **Business Rules Management System (BRMS)** that lets business analysts create, test, and manage decision logic using familiar **Excel spreadsheets** - then automatically deploys them as high-performance **REST APIs**.

**Perfect for:**
- Insurance companies calculating premiums and underwriting policies
- Banks processing loan applications and credit decisions
- Healthcare organizations managing treatment protocols and benefits
- Retailers running dynamic pricing and promotions

---

## Why Choose OpenL Tablets?

### 💼 Business Users Love It
- **Use Excel** - No programming skills needed. Write rules in spreadsheets you already know.
- **Instant Testing** - Test your rules with real data before deployment
- **Full Control** - Business users own and update rules without developer bottlenecks
- **AI-Assisted** - Integrate with AI tools like Claude and ChatGPT via MCP protocol

### 👨‍💻 Developers Love It
- **REST APIs** - Rules deploy as production-ready REST services automatically
- **Type Safety** - Compile-time validation prevents errors before production
- **Performance** - Excel rules compile to native Java bytecode for maximum speed
- **Any Platform** - Java, Python, JavaScript, .NET - integrate from anywhere

### 🏢 Enterprises Love It
- **Battle-Tested** - Proven in production at Fortune 500 companies
- **Scalable** - Handles millions of decisions per day
- **Compliant** - Built-in versioning, audit trails, and governance
- **Flexible Deployment** - Cloud, on-premises, containerized, or embedded

---

## How It Works

```
Rules in Excel → OpenL Tablets → Production REST API
```

1. **User** writes decision logic in Excel
   - Decision tables, spreadsheet calculations, scorecards
   - Test with sample data right in the interface

2. **OpenL Tablets** validates and compiles
   - Type checking catches errors immediately
   - Generates optimized Java bytecode
   - Versions and creates audit trail

3. **Deploy as REST Service**
   - One-click deployment to production
   - Auto-generated OpenAPI documentation
   - Hot reload for zero-downtime updates

---

## Quick Start

### Try It Now with Docker

Get OpenL Tablets running in 60 seconds:

```bash
# Download and start
docker compose up

# Open your browser
http://localhost:8080
```

That's it! You now have:
- ✅ **OpenL Studio** - Web-based rule editor
- ✅ **Rule Services** - REST API engine
- ✅ **Sample Rules** - Pre-loaded examples

---

## Key Features

### 📊 Excel-Based Authoring
Write rules in familiar Excel format. Decision tables, scorecards, calculations - all in spreadsheets.

### 🔒 Type-Safe Validation
Strong typing catches errors before deployment. No more runtime surprises.

### 🚀 One-Click Deployment
Deploy rules as REST APIs with a single click. Auto-generated OpenAPI documentation.

### 📈 Version Control
Built-in Git integration. Track every change, rollback instantly, collaborate with teams.

### 🧪 Comprehensive Testing
Test individual rules or entire scenarios. Debug with trace and breakpoints.

### ⚡ High Performance
Excel rules compile to native Java bytecode. Process millions of decisions per second.

### 🔄 Hot Reload
Update rules in production with zero downtime. Changes go live instantly.

### 🌐 Multi-Language Support
Call from Java, Python, JavaScript, C#, Go, or any language via REST.

---

## Industry Solutions

### Insurance
- Premium calculation and rating
- Underwriting decision automation
- Policy eligibility determination
- Claims processing and fraud detection

### Banking & Finance
- Credit scoring and loan origination
- Risk assessment and pricing
- Fraud detection and AML screening
- Regulatory compliance rules

### Healthcare
- Treatment protocol management
- Insurance eligibility verification
- Benefits calculation
- Clinical decision support

### Retail & E-Commerce
- Dynamic pricing engines
- Promotion and discount rules
- Inventory optimization
- Personalized product recommendations

---

## Documentation

### 📚 For Business Users
- **[Getting Started Guide](Docs/user-guides/installation/)** - Install and configure OpenL Tablets
- **[Exce

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