JSPM

TypeScript SQL query parser with compile-time column type extraction

An Astro integration that allows for creating type-safe server endpoints.

A minimal TypeScript event bus: subscribe(Class, handler), async delivery, dead events, and polymorphic dispatch.

A type-safe set of utilities that focuses on reducing the amount of test code that you write while maximizing coverage. Compatible with BDD testing frameworks like Jasmine and Mocha.

A TypeScript library for creating structured data objects with ease.

route type safe for page location with pathname, query, hash, state

A lightweight library for handling prompts with embeddable variables in a type-safe manner

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

Type-safe fragment masking plugin for GraphQL Code Generator, providing helper functions for managing GraphQL fragments with enhanced type safety and customizable configurations.

@ayka/fiji is a configuration management library that provides a flexible and type-safe way to handle application configurations. It supports environment variables, default values, and secret management.

Type-safe local storage

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

Type-safe DynamoDB document mapper with schema-based operations

Simple, type-safe immutable data structure for Typescript

Type-safe cache key generation with zero dependencies

A strongly-typed dependency injection library.

Minimalistic, type-safe dependency injection solution for TypeScript

A small, growing set of type-safe TypeScript helpers.

Maybe

avro-schema-builder

A TypeScript library that provides type-safe Remote Procedure Call (RPC) communication between different JavaScript contexts using various transport mechanisms

A powerful TypeScript schema validation with advanced conditional logic, cross-field validation, and static type inference.

A simple and consistent error handling library for TypeScript applications. Provides type-safe error handling with great DX, solving common pain points like unknown error types, lost stack traces, async error handling, and error serialization. Isomorphic

Type-safe environment variable management for TypeScript applications

Inject Typesafe is a 100% typesafe dependency injection framework for typescript that takes a alternative very lightweight approach to dependency injection that feels more like state management than a black box.

Framework-agnostic, lightweight router.

A Fastify plugin that automatically converts query parameter types based on Zod schemas

Co-located, type-checked translations for React components.

Type-safe deep merge utility.

A reusable Directus + GraphQL codegen library & CLI

Type-safe path for Next.js

👮‍♀️ Type-safe interactions with any HTTP API

A powerful, type-safe middleware system for Next.js with plugin architecture, route protection, caching, logging, and internationalization support

Type-safe result handling with MaybeError pattern

TypeScript library for building type-safe, composable services using a contract-first approach

Complete Next-Generation Discord Bot Framework with Type-Safe API, Auto-Caching, and Real-Time Gateway

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

JsonIndexer is a utility class designed for efficient parsing and indexing of large JSON files. It reads the file in chunks to minimize memory usage, identifies specific arrays or objects by key, and builds an index for quick access. This index includes m

React-Redux Type enhancement suite.

Type-Safe Discord API Definitions and Utilities

Type-safe event emitter with compile-time event name and payload type checking

Transformer for Elysia and Hono

Arise type-safe IoC containers from your code. Zero overhead, zero coupling.

A type-safe event emitter for TypeScript with priority-based listeners, sequential/parallel execution strategies, and memory leak detection

Core library of Retux, a minimalist declarative type-safe(strongly-typed) scalable Redux architecture.

A lightweight, fully type-safe MongoDB ODM in TypeScript, inspired by Drizzle ORM.

Type-safe HTTP client that doesn't suck - Fetch for humans who have stuff to build

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

An opinionated type validator API indpendent from schema validators like Zod, Valibot, etc

A TypeScript library for handling units and measurements with support for multiple formats (tuples, objects, strings, dimensions) and operations (arithmetic, comparison). Modular, tree-shakable, and designed for safe, boilerplate-free usage.

A utility for managing search params state with TanStack Router in a type-safe way

Utilities for a more type-safe TypeScript

Type safe dependency injection

Architectural constructs for web applications.

A type-safe HTTP client that never throws. Inspired by Go's error handling pattern.

A lightweight, zero-dependency TypeScript library that brings Rust's Result type to your JavaScript/TypeScript projects

Turn your .env into a fortress—type-checked, secure, and effortless for React, Vite, and Node.

TypeScript library offering robust contracts for encoding and decoding values with strong type safety.

Type-safe error handling with discriminated unions and type guards for TypeScript

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

A lightweight TypeScript library that enhances your SQL workflow by combining raw SQL with targeted type safety and schema validation

A TypeScript library that brings Rust-inspired features to TypeScript, including traits, Option, Result, and more. Zero dependencies, type-safe implementation.

Universal automated translation management tool for i18n projects with dynamic language detection - works with Vue.js, React, Angular, Node.js, and any framework using JSON locale files

A comprehensive collection of 100+ production-ready React hooks for state management, UI effects, forms, animations, and more. Carefully curated and optimized for performance and developer experience.

Type-Safe Discord Component Builders with Fluent API

🔧 Enhance your Chrome extensions with efficient and type-safe RPC communication across all layers.

Tool for type safe value validation

Modern TypeScript currency converter with type inference and multiple providers (Google Finance, Fixer.io). Framework agnostic with clean architecture.

A parser combinator library designed for TypeScript, offering type inference and compile-time safety for building modular and maintainable parsers.

tailwind-merge + clsx wrapper

TypeScript client library for zdata backend API with authentication and full CRUD operations

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

Fast, type-safe utilities for vector embedding comparison and search.

A comprehensive starter kit for building agent-centric applications with Next.js, featuring RAG capabilities, chatbot widgets, and multi-tenant architecture

E2E Testing Reinvented with AI - A powerful TypeScript browser automation framework using AI-powered testing with LangChain, OpenAI GPT-4o, and Playwright

Type-Safe Discord REST API Client with Advanced Rate Limiting

Type-safe TypeScript decorators for generating OpenAPI specifications with Promise unwrapping support

Fluently and type-safely write IPC for Electron

Type-safe generic builder pattern implementation in Typescript

A TypeScript generic library for managing application configurations with complete type safety

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

Type-safe data mapper for TypeScript with zero runtime overhead

library for crafting types and casting type inhabitants

A lightweight type-safe function builder with interceptors, schema validation, and context management for TypeScript applications.

**GG-Express** is an Express.js wrapper that enforces strong type requirements for `GET`, `POST`, `PUT`, and `DELETE` methods. It ensures that `req.query` and `req.body` follow strict structure definitions and automatically generates an `apiConnector` cla

A flexible and easy-to-use configuration management service for TypeScript/JavaScript applications, allowing initialization, setting, and retrieval of configuration parameters.

Predictable and strongly typed fetch requests.

Type-safe schema-based URL builder

A collection of dependency free functors written in typescript

Type safe Object Document Mapper (ODM) for MongoDB

Unopinionated utilities for interacting with REST APIs on the client-side

🚀 FinPro.js by Scott Lexium - The most comprehensive TypeScript library for financial data operations. Features 154+ currencies, 250+ countries, MongoDB-style queries, dual ESM/CommonJS support, and flag integration. Created by Scott Lexium for modern Ja

Library for defining, serving and consuming strongly typed endpoints in TypeScript

TypeScript中近乎完美的Class对象序列化解决方案 A near-perfect class object serialization solution for TypeScript.

Unique IDs with prefixes, inspired by Stripe

Type-safe hooks for React Router v6 that eliminate undefined checks and provide better developer experience

Utility function to easily add timeout to any function returning a promise

A powerful, type-safe SQL query builder for Node.js with support for MySQL, PostgreSQL, and SQLite. Features fluent API, transaction management, and connection pooling.

Types and type-safe functions for JSON.

Rust-style Result type for TypeScript

Minimalistic type-safe service container

Generate TypeScript types to be used with the PostgreSQL-Typed ecosystem from your PostgreSQL database.

Simple and Easy to use fetch API abstraction with zero dependency that is super small!

Library for checking js object property types

A TypeScript utility for serializing and deserializing structured payloads into compact string format.

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

🔗 Simplified, type-safe wrapper for web extension messaging, ensuring seamless communication across different contexts.

Lightweight result wrapper for TypeScript with zero overhead and full control.

config manager

Adds type checks for regular expressions.

A local-first, zero-setup visual database for your JSON files. Features spreadsheet-like editing, centralized Zod schema generation (like Drizzle), TypeScript-first validation, and smart file management. Perfect for developers working with JSON data.

Modern, lightweight, and framework-agnostic internationalization library

A tiny TypeScript library for creating type-safe action creators and handlers, facilitating secure and efficient communication between agents such as iframes and web workers.

A powerful TypeScript library for building distributed systems with event bus, streaming capabilities, and remote object invocation. Features WebSocket-based bidirectional communication between Node.js and browser environments, service discovery, and type

A lightweight utility for mapping object properties between different shapes

Fix for Object.keys, which normally just returns an array of strings, which is not good when you care about strong typing

Practical, type-safe toolkit for simulating and understanding gacha rates and rate-ups.

intly is Type-safe (TS friendly) i18n library.

  

Set and get cookies with optional type validation with a Standard Schema.

Complete example MCP server implementation with full specification support, type safety, and production-ready architecture. Demonstrates OAuth 2.1, tools, prompts, sampling, and notifications using Reddit as a real-world integration.

A powerful factory for creating extensible and type-safe enums in TypeScript, offering enhanced flexibility and features compared to native enums.

Lightweight, progressive, type-safe error handling for TypeScript

A flexible, type-safe HTTP client adapter for TypeScript and JavaScript. Supports custom adapters and includes an out-of-the-box Axios adapter for easy HTTP request handling.

A lightweight TypeScript library that simplifies the creation of structured data objects and classes. It provides a type-safe and flexible way to define classes with custom properties and initialization logic.

A functional, buildless, and type-safe way to write HTML in JavaScript.

A TypeScript utility for managing and configuring routes with type safety and nested route support

A minimalistic, secure, type-safe, zero-dependencies, persistent data store

Simple and lightweight module for dynamic type checking.

A powerful, flexible, and customizable logging utility for TypeScript and JavaScript applications. Supports multiple log levels, context-aware logging, JSON and text output formats, and external log transmission.

Isomorphic type-safe path utilities.

Type-safe, developer-friendly MongoDB aggregation pipeline builder for TypeScript, with auto-relation support and full IntelliSense. Works great with NestJS, Mongoose, or Node.js apps.

A TypeScript-based tool to generate locale JSON files for i18n frameworks with type safety. It ensures missing translations are caught during development, reducing errors and streamlining localization. Fully customizable input/output paths, compatible wit

Declaratively create type-safe HTML and SVG elements.

compile time async dependency injection plugin

NestJS integration module for @devgrid/netron, providing seamless distributed system capabilities with decorators, dependency injection, and automatic service discovery in NestJS applications.

High-performance, type-safe logging library for Bun with advanced TypeScript body intersection, modular strategy pattern, transform streams, and immutable API design.

A collection of tiny, useful, type-safe React hooks.

<div align="center">

Type-safe query string management and Zod schema generation.

AxiosFlow is a powerful TypeScript library that simplifies API consumption. It uses decorators and reflection to automatically generate type-safe API clients and types for your backend APIs, reducing boilerplate code and enhancing development efficiency.

Type-safe environment variable validation for Node.js using Zod schemas or custom adapters. Load .env files, expand variables, fetch async secrets, and validate process.env at startup.

TypeScript functional programming library with over 70% AI-generated code, featuring precise type inference and currying support

fast-moving, less tested version of elm-state-interface

Library for defining, serving and consuming strongly typed endpoints in TypeScript

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.

AWS S3 cache engine for cacheman

Utils for runtime and static type checking in JS and TS

Minimalistic, type-safe dependency injection solution for TypeScript

Automatically generate TypeScript interfaces from JSON data, API responses, or database schemas. Perfect for Mongoose, Sequelize, and raw data. Simplify your workflow and ensure type safety with just one function call!

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

A type-safe dependency injection container with lazy loading and caching

A production-ready, real-time, type-safe publish-subscribe system with dynamic schema loading, automatic client code generation, and **full Node.js compatibility**.

A tiny, TypeScript-powered package of hyper-fast LitElement mixins. Enhance your web components with swift, type-safe functionality that’s easy to integrate.

Fix for Object.hasOwnProperty, which normally just returns a boolean, which is not good when you care about strong typing

A tiny utility for safely extracting property names from TypeScript objects — inspired by C#'s [`nameof`](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/nameof) operator.

A flexible and extensible multi-database plugin for TypeScript projects, initially featuring MongoDB support. This plugin offers generic CRUD operations with company and user segregation, type-safe document handling, automatic metadata tracking, and built

Modern TypeScript utility library with pragmatic typing and zero dependencies

Tyne is a minimalist, type-safe schema system for defining data shapes, inferring TypeScript types, validating runtime data, and generating `.d.ts` files. Built for speed, clarity, and type fidelity.

Safely convert to the desired data and error-free refine values.

`simple-fetch-ts` is a TypeScript library designed to simplify HTTP requests using a builder-pattern approach. It provides a fluent API for creating, configuring, and executing various HTTP methods (`GET`, `POST`, `PUT`, `PATCH`, `DELETE`) with type safet

Type-safe Notion content layer for easily rendering Notion content. Works with the Remark & Rehype ecosystem.

A lightweight TypeScript library for writing URLs in a type-safe manner 👍.

A TypeScript library for type-safe database operations

Generate type-safe route utilities for Next.js app router

over-engineered, type-safe, headless, and extensible tooltip builder vs Svelte action

A safe way to retrieve values from any level of the object cavity

Type-safe typescript wrapper for multicall3

Helper library to make React Router navigation type-safe

Type-safe cookie package built for TypeScript.

Initialize Nadle into an existing project with zero hassle.

A simple, type-safe, and functional way to create HTML documents in TypeScript.

Type-safe RPC framework

A collection of utility functions for React and JavaScript, providing type-safe utilities for common tasks like prop management, conditional rendering, and more.

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

A lightweight and functional-style library that provides robust abstractions for handling optional values and handling operations that can either succeed or fail. By making states explicit, it encourages precise and deliberate management of application lo

A type-safe, declarative DSL for building robust, composable LLM prompts and programs in TypeScript. Selvedge simplifies prompt engineering, structured output, and multi-model orchestration.

Module for safe inter process communication (IPC) in electron. TypeScript supported.

A powerful layout and serialization library for Solana smart contracts. Enhanced type-safe buffer layout with Solana-specific types support.

TypeScript SDK for XRAY/AURA Core

Type-safe, developer-friendly MongoDB aggregation pipeline builder for TypeScript, with auto-relation support and full IntelliSense. Works great with NestJS, Mongoose, or Node.js apps.

Javascript (and Typescript) zod number schemas

babel macro for transforming async functions to generator functions

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

A TypeScript API client that creates fetch requests from a staticly typed structured object

NestJS SDK for XRAY/AURA Core

A powerful, type-safe, and easy-to-use Electron bridge with support for sending callback functions over the bridge

GrabEnv is a lightweight, developer-friendly utility for validating, parsing, and managing environment variables in TypeScript apps. Combining dotenv for seamless loading and Zod for schema-based validation, it offers type-safe, reliable configuration man

A powerful state management library for React, providing a simple and efficient way to manage application state with built-in support for serialization, deserialization, and type safety.

A library for creating and managing invertible functions and type-safe pipelines in TypeScript.

A comprehensive, type-safe Node.js package for handling Moroccan regions and cities with advanced features including caching, validation, search functionality, and multi-language support.

History-free and dependency-free isomorphic routing library in vanilla JS

A modern, type-safe task runner for Node.js inspired by the awesome Gradle build tool

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

type-safe paths for io-ts models

Accurate Rounding up to 16n decimal places

Utility function to easily add retries to any function

A flexible and type-safe storage service adapter for TypeScript and JavaScript. Supports various storage mechanisms like localStorage, query strings, and mock storage with both asynchronous and synchronous APIs.

A comprehensive TypeScript library for generating harmonious color palettes with WCAG 2.1 accessibility compliance

A flexible and type-safe query builder for constructing complex conditional expressions with support for nested groups, various operators, and function calls.


A TypeScript web server framework with humanistic syntax, end-to-end type safety, and exceptional developer experience using Bun

A TypeScript library implementing Rust-like error handling with Result, Ok, and Err types.

Type safe, framework agnostic, Zod based, custom events extension library.

XQuery is a sophisticated TypeScript wrapper for TanStack React Query, designed to enhance developer productivity with OpenAPI-generated clients. It enables developers to build and execute queries using fully type-safe factories instead of managing query

Type-safe expression matching

A TypeScript utility for transforming object keys between different case styles with full type safety

Lightweight, type-safe, and memory-efficient queue for resource-sensitive applications.

A type-safe form component library for React applications, providing a flexible and maintainable way to build forms with various field types and validation.

A lightweight, type-safe utility for Next.js server & client actions with built-in authentication and RBAC(role based access control) checks, Zod validation, auto retries if server action fails, and real-time toast feedback out of the box. Just write your

React integration for Nehonix FortifyJS - Secure state management with enhanced object operations

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💉 Type-safe, async library for TypeScript dependency injection

Fast and type-safe deep copy utility for JSON-compatible data structures.

A minimalistic, secure, type-safe data store for Electron

The type-safe Node.js and browser RPC library built on top of socket.io.

The modular and type-safe form library for Qwik

Next.js adapter for @yuankui/rpc

Electron adapter for @yuankui/rpc

100% type-safe memoize() function written in TS

define an app in a simple, safe and declarative way

Type-safe Infrastructure-as-Code

Minimal newtypes for TypeScript

🔥 Type safe pojo error will help you to easily create typed and serializable error.

A flexible and type-safe wrapper for key-value storage

A robust, type-driven serialization/deserialization library for TypeScript classes.

A Vite plugin that automatically generates type-safe navigation helpers for TanStack Router routes

Type-safe environment variable parsing with full TypeScript IntelliSense support

A type-safe RTK Query-like data fetching library for Astro, built with TypeScript and React.

Type-safe HTML and custom components at your fingertips.

A simple, type-safe functional programming library for JavaScript/TypeScript with intuitive type-based organization

A declarative type-safe HTTP fetching library

Create an accessor instance of Vuex namespaced module

A powerful, type-safe component styling library for React that combines the best of CSS-in-JS, utility-first CSS, and component composition. Features include variant support, polymorphic components, and seamless TypeScript integration.

Enhance Zod with real-world schema utilities for production-grade apps.

Type-safe configuration management for NestJS applications

Class-based JSON Schema library with full TypeScript support

100% type-safe pipe() function written in TS

Type-safe, composable, seamless data flow Finite-state machine implementation in TypeScript

simple type-safe flux standard action creator

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

Type-safe BullMQ integration with Zod schema validation

A robust environment variable validation library for Node.js

A powerful TypeScript React library for handling server actions with type-safe validation, built for Next.js applications with React 19+ and Zod schema validation.

The type-safe REST API Framework of your dreams.

(WIP) A type-safe RPC framework built on Hono

Simple, type-safe CQRS library with auto-registration and minimal boilerplate (typebus-cqrs)

Type-safe workflow SDK for Candoa with Copilot-friendly syntax. Define chat workflows with triggers, actions, and type safety.

Create functions using AI LLMs.