A lightweight fetching library packed with essential features - retries, interceptors, request deduplication and much more, all while still retaining a similar API surface with regular Fetch.

Configuration management library, like convict but with modern validation libraries

Type-safe form validation for SvelteKit Remote Functions using Standard Schema compatible validators.

🛡️ Securely load, validate, and manage environment variables in TypeScript.

A form validation library for Svelte, Vue, and React apps, supporting any validation library that conforms to Standard Schema.

A type-safe rule engine using the Standard Schema for fact validation

A type-safe utility for creating immutable, struct-like data objects in TypeScript.

Agnostic headless form with adapters for frameworks

A composable router for TypeScript applications built on parser combinators. Define routes declaratively with type inference and flexible route matching.

Easily create Rust-flavored datatypes in TypeScript

TypeScript-first API client with Standard Schema support, providing excellent DX and strict type safety.

A flexible form engine for React.

A modern, zero-dependency TypeScript HTTP client (13KB) with Standard Schema validation, built on native fetch. Works everywhere: browsers, Node.js, Bun, Deno, serverless.

Build-time environment variable validation and injection for Vite