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microsoft/TypeScript

★ 111,777GoApache-2.096

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

What it is

TypeScript is a language for application-scale JavaScript. TypeScript adds optional types to JavaScript that support tools for large-scale JavaScript applications for any browser, for any host, on any OS. TypeScript compiles to readable, standards-based JavaScript. Try it out at the playground, and stay up to date via our blog and Bluesky.

When to use it

Reach for TypeScript when you want a sharper everyday toolchain — editor, package manager, compiler or monorepo tooling — it's written in Go and fits stacks tagged javascript, language, typechecker, typescript.

Category
Developer Tools
Also in
—
Stars
111,777
Forks
14,690
Last push
today
Created
2014-06-17
Open issues
5,270
Website
typescriptlang.org
#javascript#language#typechecker#typescript#go

Quick start

$ git clone https://github.com/microsoft/TypeScript.git

Hand it to your AI

Read https://ideas.asveas.com/r/microsoft/TypeScript.md and help me add microsoft/TypeScript to my project. Explain the setup steps for my stack and show the minimal code to get it working.
Developer ToolsMarkdown .mdOpen on GitHub ↵

Alternatives to TypeScript

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FAQ

What is TypeScript?

microsoft/TypeScript is a developer tool on GitHub: TypeScript is a superset of JavaScript that compiles to clean JavaScript output. TypeScript is a language for application-scale JavaScript.

When should I use TypeScript?

Reach for TypeScript when you want a sharper everyday toolchain — editor, package manager, compiler or monorepo tooling — it's written in Go and fits stacks tagged javascript, language, typechecker, typescript.

What are the best alternatives to TypeScript?

Popular alternatives in Developer Tools: microsoft/vscode (195k★), zed-industries/zed (94.7k★), astral-sh/uv (91.9k★), pnpm/pnpm (37.1k★), vercel/turborepo (31.3k★).

Is TypeScript actively maintained?

microsoft/TypeScript looks very actively maintained: the last push was today (2026-11-11), with 111,777 stars and 5,270 open issues.

What license does TypeScript use?

microsoft/TypeScript is published under the Apache-2.0 license. Check the repository's LICENSE file before commercial use.