Learn OUTSYSTEMS with Real Code Examples
Updated Nov 26, 2025
Architecture
Full-stack low-code engine
Visual UI modeling
Server-side logic and database abstraction
Integration with external services via connectors
One-click deployment engine
Rendering Model
Reactive UI screens
Server-side logic execution
Integration connectors for external data
Automatic mobile/desktop rendering
Optimized for performance across devices
Architectural Patterns
Module-based development
Entity-driven data modeling
Screen-action-flow separation
API-first integration
Visual workflow orchestration
Real World Architectures
Employee self-service portals
Customer support dashboards
Mobile field operations apps
ERP/CRM integration layers
Business process automation systems
Design Principles
Rapid visual development
Enterprise-grade scalability
Full-stack low-code
Reusable components and templates
Built-in DevOps and monitoring
Scalability Guide
Use modular architecture
Leverage built-in caching
Optimize aggregates and queries
Distribute workloads via environments
Monitor via Lifetime analytics
Migration Guide
Analyze current apps for module separation
Recreate entities/screens in Service Studio
Migrate workflows to actions
Integrate existing APIs via connectors
Deploy gradually in staging environment