Go Systems Development — Enterprise v4.0

Technology Stack (November 2025 Stable)

Language & Runtime

• Go 1.25.4 (November 2025, compiler & runtime improvements)
• Unix/Linux first with Windows/macOS support
• Garbage collection with concurrent sweeper

Web Frameworks

• Fiber v3.x (Express.js-inspired, high performance)
• Echo 4.13.x (Scalable, middleware-rich)
• Chi 5.x (Lightweight, composable)

Concurrency & RPC

• goroutines (lightweight threads, stdlib)
• channels (typed message passing)
• gRPC 1.67 (Protocol buffers, streaming)
• Protobuf 3.21 (Message serialization)