JSPM

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

GNU ustar tar implementation written using effect-ts

Type-safe aggregate root patterns for event sourcing with Effect - Build bulletproof domain models with functional composition and immutable state management

effect-ts react integration

Pure event streaming and storage with Effect integration - Core event store interfaces and implementations for building resilient, functional event-driven systems

Prisma generator that creates Effect Schema types from Prisma schema compatible with Kysely

Generate `effect` schemas from Drizzle ORM schemas

Production-ready PostgreSQL event store with Effect integration - Scalable, ACID-compliant event persistence with type-safe database operations and streaming

Cross platform wireguard api client for nodejs built on wireguard-go with effect-ts

Functional event projections and read models with Effect - Transform event streams into queryable views with type-safe, composable projection builders

Real-time WebSocket transport for event sourcing with Effect - Stream events to browsers and clients with type-safe, resilient real-time communication

In-memory transport implementation for event sourcing - High-performance message transport using in-memory queues and channels

Event sourcing protocol implementation over any transport - Protocol implementation with message serialization, command correlation, and subscription management

WebSocket transport implementation for event sourcing - Protocol-agnostic message transport over WebSocket connections

ESLint rules and configurations for Effect projects enforcing functional programming best practices

Wire command validation and dispatch for event sourcing systems - External boundary layer with schema validation

Batteries-included WebSocket event sourcing package - Complete WebSocket transport with default protocol for rapid event sourcing development

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

GNU ustar tar implementation written using effect-ts

Comprehensive testing utilities for event sourcing implementations - Test contracts for transport and protocol implementations with mock utilities and test data generators

Recursion schemes for effect-ts.

In-memory event store implementation for development and testing - Fast in-memory storage with complete EventStore interface implementation

Pure transport layer abstractions and contracts for event sourcing - Define transport interfaces that any implementation (WebSocket, HTTP, SSE) can implement

Default implementation of the event sourcing protocol over any transport - Standard protocol implementation with message serialization, command correlation, and subscription management

Pure transport layer abstractions and contracts for event sourcing - Define transport interfaces that any implementation (WebSocket, HTTP, SSE) can implement

Effect-TS + OpenTelemetry support for Cloudflare Workers

A configurable error for Typescript projects based on Effect-ts

Effect-TS Utilities for Astro

Type safe middleware system based on Effect-ts

Momento Cache client for Node.js TypeScript projects based on Effect-ts

A basic caching library for Node.js based on Effect-ts

Runtime-agnostic WebSocket library for Effect-TS with client/server support, automatic reconnection, and cross-platform compatibility (Node.js, Bun, Browser)

Prelude for Effect-ts

A basic authentication utils library for Node.js based on Effect-ts

Tiny rules engine based on Effect-ts

Node.js WebSocket server implementation for Effect-TS using the 'ws' library, providing high-performance WebSocket servers with Effect's functional error handling

Complete invoice system with domain-driven design - gateway package for easy integration

General utility functions for Node.js TypeScript projects based on Effect-ts

Bun WebSocket server implementation for Effect-TS using Bun's native WebSocket API, providing fast and efficient WebSocket servers with Effect's functional programming model

Small event library based on Effect-ts

Moby/Docker API client built using effect-ts

Filesystem-based event store implementation for learning and debugging - Human-readable JSON files organized by stream for easy inspection

Fetch wrapper for Node.js TypeScript projects based on Effect-ts

Type-safe kintone field schema definitions with Effect-TS. Normalize empty values, validate writes, and ensure runtime type safety for kintone API responses.

Ultra-minimal Spanish text cleaning library for TTS - 100% Effect-TS & ESM

Effect-ts wrapper for the aws-jwt-verify library

A minimal filesystem abstraction for Node.js and AWS S3, based on Effect-TS

Boilerplate for backend services

A LexoRank implementation for Effect-TS with Schema validation and an Effect service layer. Safely manage per-user ordering and list reordering.

Application layer for the InvoiceDDD system - use cases and application services

A powerful agentic automation CLI for managing agentic loops in daily life workflows

React integration utilities for InvoiceDDD system

Infrastructure layer for the InvoiceDDD system - database, repositories, and external services

An Effect wrapper for Supabase

Platform agnostic fetch kit for the Effect package

TypeScript SDK for WhatsApp Business API with Effect-TS by Fixtergeek

A set of common data schemas, written with Effect Schema

AWS S3 client for Node.js TypeScript projects based on Effect-ts

A library for crawling a filesystem tree, based on Effect-ts

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

A simple of wrappers around the core tauri api. Currently provides wrappers for:

A library for crawling a filesystem tree, based on Effect-ts

A manager for setting up git worktrees in any repository - Built at Rowing.tech

Engine for Nine Men's Morris derived games

Declarative, AI-friendly API for video manipulation using FFmpeg. Features functional composition, real-world video rendering, and comprehensive runtime testing.

A lightweight and efficient bridge to connect a RabbitMQ instance (via AMQP) to frontend applications using a simple WebSocket interface.

effect-ts port of fp-ts-react-stable-hooks

A React-inspired functional framework for building AI agents and data processing pipelines with BullMQ integration and Effect-TS

Small event library based on Effect-ts

A collection of types, and helpers for @effect/schema organized by data type. Designed to be tightly integrated with other projects in the ecosystem.

Simple authorisation library for effect-ts

A library for crawling a filesystem tree, based on Effect-ts

CLI tool for generating Effect-TS services from Prisma schemas

Create a new Effex app with a single command