JSPM

The modular and type safe schema library for validating structural data

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Type safe dependency injection framework for TypeScript

Generate functions that do not allow parallel executions

Zero-dependency typed duration library for JavaScript

A powerful TypeScript-first API client generator for Next.js applications with full type safety and automatic api type generation.

Enhanced type safety via validation for all route params in React Router v7.

Type safe and promise supported replacement for node's EventEmitter

Type-safe lenses for React Hook Form that enable precise control over nested form state. Build reusable form components with composable operations, array handling, and full TypeScript support.

Q-Objects are the magic sauce for the odata-query-builder and allow for renaming and type conversion

Main runtime dependency of odata2ts for generated odata client services

An event system with multiple emitter patterns.

The modular and type-safe form library for Qwik

Allows for building type-safe OData queries with a fluent API

The modular and type-safe form library for SolidJS

A typescript library for writing type-safe regular expressions using named capture groups

Heavily overloaded functions (pipe/compose) for type-safe function composition in TypeScript

A simple TypeScript library for dependency injection

Validated and Type-safe HTTP requests using Zod

A TypeScript library for creating strongly typed mock data factories using Faker.js for test data generation

Zaraz TS - A type-safe wrapper around the Cloudflare Zaraz Web API.

A library that allows you to generate mongoose schemas from zod objects.

A functional, type-safe utility library for elegant error handling and asynchronous operations in JavaScript/TypeScript.

Permix is a lightweight, framework-agnostic, type-safe permissions management library for JavaScript applications on the client and server sides.

<img src="https://raw.githubusercontent.com/tuplescompany/crumbjs/refs/heads/main/logo/crumbjs.png" alt="CrumbJS Logo" width="200"/> - The tasty way to build fast apis.

Light, expressive and type-safe data validation in typescript

~1kB Dependency Injection Library for Typescript and React with a unique async flow support

Slonik tRPC loader

Parse CLI args with type safety.

🔥 Write V9 like Firestore Admin code with extreme type safety.

TypeScript decorators for clean, declarative API service definitions with Fetcher HTTP client. Enables automatic parameter binding, method mapping, and type-safe API interactions.

A small and simple library for asserting argument are the correct types

Type safe data validation and sanitization

HTTP status codes as TypeScript const enum - zero bundle size, compile-time inlined values (TypeScript only)

modern, type-safe collection of utility functions

Type-safe, composable styling system for React, Vue, Svelte, and vanilla JS

Drizzle ORM-first semantic layer with Cube.js compatibility. Type-safe analytics and dashboards with SQL injection protection.

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

XyPriss is a lightweight, TypeScript-first, open-source Node.js web framework crafted for developers seeking a familiar Express-like API without Express dependencies. It features built-in security middleware, a robust routing system, and performance optim

A utility for fetching valid ARIA roles dynamically, validating roles, and providing type-safe access to ARIA role names.

Magic RPC client for type-safe RPC calls

A simple and efficient WebSocket router for Bun with Zod/Valibot message validation.

A TypeScript-first decorator library that simplifies Electron IPC communication with type safety and automatic proxy generation

The modular and type-safe form library for Preact

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

A modern, type-safe, and flexible HTTP framework for building scalable APIs with TypeScript

Type-safe error handling library with error chaining, wrapping, and utilities inspired by Go

perfect dxf parser

type-safe and headless builder for async component stack

The last Svelte i18n library you'll ever need. Type-safe, AI-powered, zero-config.

A stateless TypeScript client for SAP B1 Service Layer Command API with comprehensive error handling, type safety, and batch operations

A modern, type-safe HTTP client with middleware support for CSRF protection and authentication

Type-safe, low-level wrapper for Firebase Firestore with enhanced validation and developer experience

A TypeScript-first Express.js router with automatic validation, typed middleware, and OpenAPI documentation generation

Utility types and implementations based on JavaScript prototypes.

Prisma generator that creates fully-featured ORPC routers with OpenAPI support, advanced middleware, and multi-runtime compatibility

Contract-first type-safe HTTP client with Zod validation

A comprehensive TypeScript utility library featuring fluent text building, type-safe switching, duration utilities, React hooks, and extended array/object prototypes for modern JavaScript development.

Utils for creating data models in TypeScript.

A type-safe, React Query-powered client library for Hono applications with automatic hook generation and intelligent cache management

React Hook Form alternative - TypeScript-first useForm hook with enterprise-grade state management. Schema-agnostic validation (Zod, Yup, Valibot), minimal re-renders, advanced form controls.

A comprehensive, type-safe full-stack library for TypeScript/JavaScript applications. Provides server actions, API controllers, React hooks, error handling, and professional logging - all with complete type safety and inference.

A lightweight, type-safe logging wrapper around Pino, built by Vepler for modern TypeScript applications.

Parse shopify product csv

Tiny type-safe event emitter for Node.js.

String interpolation with correct return type based on passed variable substitutions

Best React Hook Form alternative - TypeScript-first form library with zero-boilerplate AutoForm and powerful useForm hook. Schema-first validation (Zod, Yup, Valibot), built-in components, enterprise-grade form state management.

A minimalist, type-safe mocking library for TypeScript. Expressive, framework-agnostic, and dependency-free.

A simple, type-safe form library for svelte remote forms.

MongoDB update `$set` operations

Type safe data validation and sanitization for Koa

The modular and type-safe form library for React

🚀 Fast CLI to create modern React 19 apps with TanStack Router, Hono API, TypeScript, and AI. Alternative to create-react-app with full-stack features.

A structured approach to component composition, direct CSS-first prop styling, built-in theming, smart prop handling (including raw property pass-through), and dynamic children.

A modern TypeScript library for performing ICMP ping operations with type-safe results and fluent configuration.

A TypeScript utility library focused on deep operations for objects and arrays with full type safety. Similar to Lodash, but narrower in scope and fully written in TypeScript to maximize typing support.

Delightful TypeScript patterns for elegant, type-safe applications

Better TypeScript code in fewer lines.

Type-safe wrapper for Notion SDK with database schema injection

Type-safe storage utilities with Zod validation for multiple storage backends (localStorage, AsyncStorage, etc.)

A lightweight React overlay management library with full TypeScript support

🔥 High Precision Typescript Wrapper for Firestore Web, Providing Unparalleled Type Safe and Dev Experience

Create a type-safe proxy for accessing environment variables

A zero-dependency, type-safe environment variable management library for TypeScript applications

Next.js library to bring full type-safety to Next.js

A comprehensive TypeScript/JavaScript client library for EchoFi services with automatic gRPC-Web code generation, unified service access, and real-time WebSocket communication.

Type-safe optional value representation.

Auto-generates fully typed useFetch composables for Nuxt 3/4 server endpoints with Zod validation and zero boilerplate

Framework-agnostic form validation engine - schema-first validation core for TypeScript applications. Supports Zod, Yup, Valibot and custom validators.

A modern, type-safe, performance-optimized HTTP framework for building scalable APIs with TypeScript. Features parallel processing, smart caching, and intelligent plugin dependency resolution.

Type-safe Restate SDK wrapper with simplified API

A utility package for handling try-catch blocks in TypeScript.

This package provides strongly typed PayloadCMS types, enhancing the type safety and validation of your PayloadCMS queries and operations. It allows you to perform type-safe selections, where clauses, sort operations, and CRUD operations with strong type

Type-safe query keys for TanStack Query

Type-safe Express.js router with automatic client generation

Type-safe logging library for Bun with advanced TypeScript body intersection, modular sink pattern, transform streams, and immutable API design.

Unified TypeScript library for 9 popular APIs with consistent functional architecture

Safe-try is a Typescript type-safe error handling library for both sync and async operations

A type-safe event emitter for NestJS applications with strongly typed event handling

forked version of dxf-json

Type-safe RPC for NestJS — call Nest methods like local functions with zero boilerplate.

Singleton Manager is a package that provides a simple way to manage singletons in your application. It allows you to create, retrieve, and manage singletons with ease and type safety.

useful typescript types

type-safe and headless async notification builder

Strongly-typed deep and recursive object merging. Considers all nested levels of objects, arrays, sets and maps.

A type-safe wrapper for Tauri's invoke function

Type-safe RPC for NestJS — call Nest methods like local functions with zero boilerplate.

A type-safe, flexible enum factory for TypeScript with runtime validation and type inference

TypeScript library for type-safe and lossless encoding and manipulation of world currencies and precious metals

Typed Event Emitter is a TypeScript library that provides a strongly typed event emitter, allowing developers to define custom events with specific payloads, ensuring type safety and reducing runtime errors in event-driven applications.

Utils for building type-safe action pipelines with context and error handling.

A lightweight, type-safe TypeScript library for generating prefixed IDs with customizable options

A strictly typed & minimal RegExp wrapper.

A TypeScript library for creating type-safe database schemas with Zod validation, SQL type definitions, and automatic client/server transformations. Unifies client, server, and database types through a single schema definition, with built-in support for r

O(1) type safe role based access control

Type-safe React Router 7 framework mode helpers with enhanced fetching, form submission, and state management

Utils for type-safe error handling in TypeScript.

Type-safe nested object access and manipulation for TypeScript 🚀

A simple TypeScript library providing type guards for the primitive types in JavaScript.

Type-safe internationalization tool for Next.js App Router with co-location and IDE code jumping

🚀 A modern, type-safe, and performance-optimized Google Analytics 4 (GA4) tracking library for React and Next.js applications. Features comprehensive ecommerce tracking, automatic event batching, SSR support, and production-ready error handling. Built wi

Typesafe specialized enums for TypeScript - Smooth like butter

Validate anything simply and type-safely

A scalable and type-safe Electron IPC management tool with enhanced DX

practical functions and reusable configurations

A type-safe RPC for all webextension, client side code does not contain the actual called code, supports async generator functions

The type-safe Node.js and browser RPC library built on top of socket.io. Empowered with SOA governance and load balancing.

Type-safe RPC library for building Model Context Protocol (MCP) servers

A simple typesafe wrapper for RabbitMQ that simplies the config and management of RabbitMQ.

A minimalist, type-safe, error-safe typed functions in 214 lines of TypeScript based on Zod v4. No batteries, just functions. Simple alternative to oRPC and tRPC.

Robust WebSocket utilities for Nostr applications with automatic reconnection, supporting both ESM and CommonJS. Features channel-based messaging, heartbeat monitoring, message queueing, and comprehensive error handling with type-safe handlers.

Javascript utilities

Type-safe, performant GunDB hooks for React/Preact with authentication, error handling, and debugging utilities

A type-safe groupBy function for TypeScript

Lightweight, type-safe request validation middleware for Express using Zod

Ultra-type-safe TypeScript toolkit for building AI applications with Anthropic Claude

A simple, type-safe, and composable way to handle errors in TypeScript

A utility library for creating type-safe Gulp plugins with streamlined error handling, file transformation, and TypeScript support

Simple data converter

A TypeScript library for typed attributes and modifiers with deterministic evaluation

A TypeScript library that implements Rust-like traits with compile-time type checking and runtime verification.

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

A TypeScript library for creating type-safe Redux action creators and reducers with minimal boilerplate.

Tree shakable typebox helper utilities

Type-safe utility functions for JavaScript/TypeScript: string, array, object, date, validation, crypto, format, math

Nuxt module to define and easily consume your backend API in a validated and type-safe way using procedures and Zod schemas.

Functions for manipulating strings.

A comprehensive CLI tool for generating type-safe navigation helpers across modern web frameworks. Includes route analytics, performance analysis, validation, documentation generation, and migration assistance with full TypeScript support.

CLI for parsing and validating YINI config files: type-safe values, nested sections, comments, minimal syntax noise, and optional strict mode.

Interactive CLI tool that generates type-safe TypeScript clients from MCP servers

@jsonlee_12138/enum is a utility library for creating type-safe enums in TypeScript. It offers more powerful features than the built-in enum, including labels, extra metadata, and easy access to options and dict collections.

JavaScript/TypeScript 实用工具集合

React hooks for type-safe error handling with Result types. Stop throwing, start returning.

Comprehensive DTO package for ServeMate restaurant management system. Includes type-safe DTOs with Zod validation for users, orders, payments, tables, and menu items management.

Type-safe route generation and navigation for Next.js App Router

A blazing-fast, TypeScript-first Node.js framework with HTTP/2 support, file-based routing, powerful middleware system, and end-to-end type safety for building modern APIs.

Type-safe React form to be used with Typescript

Tool interface for Agenite

Ultra-fast TypeScript-first schema validation with zero dependencies and 27+ language support

A fully type safe utility for Zustand that allows you to easily update state using React style `setState` functions (framework agnostic, doesn't require React).

Type-safe data mapper for TypeScript with zero runtime overhead

Minimal typed HTML templating helpers for Hono/Workers/HTMX. JSX-free, type-safe HTML generation with automatic escaping.

Type-safe utility collection for TypeScript projects

Turn your Zod schemas into configurable field arrays for easy integration with HTML, React, Vue, and more.

TypeScript type guard utilities providing runtime type checking and validation with zero dependencies

A type-safe marriage of `EventTarget` and `EventEmitter`.

[](https://www.npmjs.com/package/model-validator-ts)

Type-safe JSON Schema specification library

Toolkit for building Solid/SolidStart apps.

Tiny JS Type Checker Module for Node & Browser — Supports Stringified Types

Type-safe wrapper for JavaScript Object API with zero external dependencies

Type-safe regular expression pattern builder for TypeScript with fluent API

Type-safe TSX runner with automatic Type-checking

🚀 Enterprise-grade RabbitMQ wrapper for Node.js & TypeScript - High-throughput messaging with automatic retry, DLQ, batch processing & graceful shutdown. Production-ready AMQP client with zero message loss guarantee.

Type-safe, universal HTTP client for BlaizeJS APIs with automatic route inference, zero configuration, and support for browsers, Node.js, serverless, and edge environments.

A tiny TypeScript utility for parsing and validating environment variables using Zod.

Type-safe storage library with fallback values

A type-safe, modern, Gradle-inspired task runner.

A TypeScript Jira API client with dual ESM/CJS support for Jira REST API and Atlassian Forge applications. Zero runtime dependencies.

:rainbow: Simple and fast type safe server library.

Package for creating mongoose schemas out of Zod schemas for type safety, and removing duplicate effort.

A smart JSON parser and stringifier that automatically converts dates, numbers, and booleans to their proper types — with multiple build formats for Node.js and browsers.

TSdux utilities for Observables

A type-safe storage solution for localStorage and sessionStorage with built-in TypeScript support, ensuring robust and scalable browser data persistence.

Type-safe Redux utilities for TypeScript

TypeScript utilities for type-safe error handling and optional values

A lightweight TypeScript library for managing and organizing query keys for React Query projects, enabling consistent, type-safe key usage without extra dependencies.

A strongly-typed Express router with Zod validation and automatic type inference for params, body, query, and middleware

localStorage-based preference manager for web apps, userscripts etc

Easily create a fully-typed Express JSON RPC API over HTTP. No code generation step required. Inspired by tRPC, but much simpler.

🚀 Instant type-safe mock APIs from your TypeScript types. Zero config, maximum productivity.

The modular and type-safe schema library for transforming values

Type-safe wrapper for Node.js Worker Threads

A lenient XML stream parser for Node.js and browsers that can handle incomplete or malformed XML data, with depth control, CDATA support for XML serialization and round-trip parsing, wildcard pattern support for stopNodes, and CDATA handling within stopNo

Type-safe reactive form builder for Svelte 5

TypeScript-first environment configuration with Zod validation, .env support, hot reloading, and startup validation. Zero-config setup - just install and use! Perfect for Node.js, AWS Lambda, and modern TypeScript applications.

Node.js fs and fs/promises wrapped in neverthrow Result types for type-safe error handling

A nested component Svelte 5 Runes pattern for structuring objects/arrays and their properties

Type-safe Restana service with Zod validation and OpenAPI generation

A comprehensive TypeScript library for Chrome Extension API, providing type-safe wrappers and utilities for bookmarks, commands, context menus, cookies, downloads, storage, notifications, runtime, scripting, and side panel functionalities.

type/data-centric schema library. A schema library empower you, not constrain you with their types messy types.

A Prisma-like, type-safe, and reactive ORM for IndexedDB. Say goodbye to callbacks and enjoy a modern developer experience in the browser

A lightweight JSON Schema validator generator that creates minimal TypeScript code and type definitions

A lightweight, type-safe dependency injection container for TypeScript.

A mini-ORM for localStorage with type safety and SQL-inspired API

mini-orm with full type support for postgres.

A router based on parser combinators

Type-safe MongoDB wrapper with Zod validation at runtime and compile-time.

A solution for type-safe IPC communication in Electron

Manage your environment variables with ease

A modern, type-safe REST API client builder for TypeScript/JavaScript applications with React hooks integration, automatic validation, and intelligent error handling.

A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.

Enhanced promise type to be used with flow.js

一个基于 YAPI 的 TypeScript 接口代码生成工具，支持自动生成类型安全的 API 接口文件

Node Config Module

Utils for type-safe function composition in TypeScript.

Strongly-typed function to get a nested & potentially null/undefined property value safely from an object

Enhanced async/await effects for TypeScript applications. Effectively provides resilient error handling, dependency injection, retry logic, timeouts, circuit breakers, and resource cleanup for Node.js and browser environments. Build testable async workflo

Node.js child_process wrapped in neverthrow Result types for type-safe error handling

Type-safe event handling with runtime validation using guardz for unsafe data from 3rd parties

Lightweight, type-safe router for JavaScript and TypeScript applications with parameterized routes support

Option/Maybe type to be used with flow.js

A functional TypeScript/JavaScript component library with composable architecture based on Material Design 3

🔥Surgical Precision Type Safe For Realtime Database Web, Write RTDB Code That Stand The Test Of Time

A type-safe API mocking tool for frontend development, powered by axios and Zod.

A type safe translator that knows what to say and how to handle the rest. Supports custom messages, rich replacements, and async loading.

Simple type-safe actions

Minimal, type-safe CLI framework for Bun

A TypeScript implementation of Rust-like traits and collections, providing efficient and type-safe implementations along with common trait patterns.

A lightweight, type-safe dependency injection framework for TypeScript applications with comprehensive lifecycle management and layered architecture support

A highly typed, provider-agnostic analytics library for TypeScript applications

A strict TypeScript-only utility to check if a number is odd, with modern type safety.

a lightweight, hook-based modal management library for React. It leverages React Context and custom hooks to offer an intuitive, type-safe API for handling multiple modals—making it easy to show, hide, update, and persist modal state across your app.

Type-safe utilities for working in TypeScript. For example, a type-safe property path type, deep partial type, etc.

A type-safe string templating library for TypeScript

Type-safe Express route handlers based on OpenAPI schemas

Disposiq is a utility collection of Dispose pattern

type operation utilities.

TypeScript SDK for the Pinarkive API v2.1 - Full type safety for IPFS file management with directory DAG uploads, file renaming, and enhanced API key management. Perfect for TypeScript projects requiring compile-time type checking.

Type-safe environment variable parser with validation and error handling for Node.js and React Native

A TypeScript and React library for providing type-safe internationalization messages.

A lightweight, type-safe browser storage wrapper for localStorage and sessionStorage with namespace support and type checking.

Transform Prisma schemas to TypeORM entities with NestJS integration and fast pg-mem testing

client that connect http framework in phecda-server

A powerful and flexible configuration management library for NestJS applications. Supports JSON, YAML file loading, environment variable overrides, immutable configurations, and type-safe configuration access with dependency injection.

High-performance event system for React applications and services. Features type-safe event handling, automatic cleanup, real-time monitoring, and service integration.

A lightweight, type-safe RPC library for TypeScript with Zod validation

🔥 High Precision Typescript Wrapper for Firestore React Native, Providing Unparalleled Type Safe and Dev Experience

Type safe existential property access using ES6 proxies

Convert numbers to words in any language.