# effect **Repository Path**: trusted-list/effect ## Basic Information - **Project Name**: effect - **Description**: Build production-ready applications in TypeScript - **Primary Language**: Unknown - **License**: MIT - **Default Branch**: main - **Homepage**: https://effect.website - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2026-03-13 - **Last Updated**: 2026-08-04 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README [![pkg.pr.new](https://img.shields.io/badge/pkg.pr.new-Effect--TS%2Feffect-black)](https://pkg.pr.new/~/Effect-TS/effect) # Effect Effect is a library for building robust, maintainable, type-safe, and production grade applications in TypeScript. > **Effect V4 is currently in beta.** The `main` branch contains v4 development. ## Install V4 Beta ```sh npm install effect@beta ``` ## Effect v3 The Effect v3 source code is available on the [`v3`](https://github.com/Effect-TS/effect/tree/v3) branch. ```sh npm install effect@latest ``` Issues and pull requests meant for Effect v3 should target the [`v3`](https://github.com/Effect-TS/effect/tree/v3) branch. ## Resources - Documentation (https://effect.website) - Discord (https://discord.gg/effect-ts) - Effect v3 source (https://github.com/Effect-TS/effect/tree/v3) - Effect v4 source (https://github.com/Effect-TS/effect/tree/main) ## License MIT