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ExpressoTS•July 20, 2026
ExpressoTS
Open Source
TypeScript
Node.js
Web Framework
Backend Development
### TL;DR
ExpressoTS is a modern, developer-friendly TypeScript framework designed for building production-grade Node.js server-side applications. Version 4.0 introduces a comprehensive local development platform called Studio, along with advanced features like AOP-based interceptors, type-safe events, and declarative guards.
Key Insights & Metrics
Pricing
Free & Open-Source
Cost structure
Version
4.0
Current release version
Hardware
Standard Node.js environment requirements; runs on local developer machines
Compute requirements
Category
Open Source
Licensing model
Region
Canada
Primary region
Key Features
- ExpressoTS Studio for local observability, request tracking, and security auditing
- AOP-based Interceptors for handling cross-cutting concerns like caching and retries
- Type-Safe Event System with auto-discovery and replay capabilities
- Declarative Guards and Authorization for robust route protection
- Modular Dependency Injection (IoC) with support for lazy loading
- Integrated support for AI agent deployment workflows via GroundZero
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