JSPM

Effect-based utility library for building robust, well-logged, and schema-validated GitHub Actions.

Pure Effect-TS implementation of a JSONC (JSON with Comments) parser

Strict SemVer 2.0.0 implementation built on Effect, providing typed parsing, range algebra and version cache services.

Типобезопасная фабрика ошибок с уникальными кодами, подстановкой плейсхолдеров и форматированием исключений, не зависящим от фреймворка.

Type-safe errors without the boilerplate

The complete type-safe error system for TypeScript.

Enterprise-grade error primitives for Kitium products: rich metadata, HTTP/Problem Details mapping, observability, and registry-driven error governance.

Runtime-agnostic error handling library with structured errors, adapters, and validation support for Bun, Node.js, and browsers

Effect-TS integration for Voltaire Ethereum primitives library

Type-safe error handling

Lightweight TypeScript library to create, manage and log typed, structured errors for Node.js, Express and modern JavaScript apps. Simplify error handling, improve debugging, and keep your API responses clean and consistent.

Modern error handling library with typed contexts, Error.cause chains, and ErrorSpecs

Effect-native full-stack React meta-framework