71.8k
Strapi
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
📝
CMS🟡
JavaScript🔷
TypeScript
Best Open-Source TypeScript Tools in 2026
A curated list of the best, top, and most popular open-source typescript tools available right now. Showing the top 30 of 42 typescript tools in our directory, ranked by GitHub stars.
- 47.9k
Type-challenges
A collection of TypeScript type challenges with an online judge to test and improve your type manipulation skills.
👨💻 Development🔷 TypeScript🎓 Learning & Career🛠️ Tools - 42.4k
Zod
Zod is a TypeScript-first schema validation library that provides static type inference, allowing developers to ensure type safety and accuracy in their code.
✅ Validation🔷 TypeScript👨💻 Development - 41.8k
Payload
Payload is an open-source, fullstack Next.js framework offering a complete TypeScript backend and admin panel. It can be used as a headless CMS or for building powerful applications.
📝 CMS👨💻 Development🔷 TypeScript - 40.0k
TRPC
🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy, providing a seamless experience for creating scalable APIs with full TypeScript support.
👨💻 Development🔁 API🔷 TypeScript - 36.4k
Typeorm
TypeORM is an advanced ORM for TypeScript and JavaScript that provides support for major SQL databases including MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, and WebSQL. It enables developers to work with databases in both server-side (Node.js) and client-side environments, offering a seamless experience in browsers, Ionic, Cordova, and Electron platforms.
💾 Database👨💻 Development🔷 TypeScript🟡 JavaScript - 36.1k
Lerna
Lerna is a fast, modern build system for efficiently managing and publishing multiple JavaScript/TypeScript packages from a single repository.
👨💻 Development📦 Version Control🟡 JavaScript🔷 TypeScript - 30.2k
Turborepo
A build system optimized for JavaScript and TypeScript projects, utilizing advanced techniques for fast and efficient builds. Written in Rust for performance and reliability.
👨💻 Development⚙️ DevOps🟡 JavaScript🔷 TypeScript - 22.9k
Mastra
mastra is a powerful TypeScript AI agent framework designed for building intelligent assistants, retrieval-augmented generation (RAG) systems, and advanced observability features. It supports integration with any large language model (LLM), including GPT-4, Claude, Gemini, and Llama.
🤖 AI👨💻 Development🔷 TypeScript🧰 Framework - 17.0k
Type Fest
A collection of essential TypeScript types that aid in static type checking and code quality enhancement.
👨💻 Development🔷 TypeScript✨ Code Quality - 14.9k
Ts-pattern
An exhaustive Pattern Matching library for TypeScript, offering smart type inference for TypeScript developers.
👨💻 Development🔷 TypeScript🔨 Utils - 13.3k
Rolldown
A fast and efficient Rust-based bundler for JavaScript/TypeScript with a Rollup-compatible API, optimizing build times and application performance.
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- 10.0k
Evershop
A modern, TypeScript-based e-commerce platform designed for developers and businesses seeking a customizable and high-performance shopping experience.
🛍️ E-Commerce🔷 TypeScript🌐 Web🧰 Framework - 9.0k
Mikro-ORM
A TypeScript ORM for Node.js, implementing Data Mapper, Unit of Work, and Identity Map patterns. Compatible with MongoDB, MySQL, MariaDB, MS SQL Server, PostgreSQL, and SQLite/libSQL databases.
👨💻 Development💾 Database🔷 TypeScript💚 Node.js - 8.4k
Effect
Effect is an ecosystem of powerful tools designed to build robust applications in TypeScript.
👨💻 Development🔷 TypeScript🧰 Framework🔨 Utils - 8.0k
Openapi-typescript
Generate TypeScript types from OpenAPI 3 specs to streamline API client and server development.
👨💻 Development🔁 API🔷 TypeScript🛠️ Tools - 7.8k
Valibot
Valibot is a modular and type safe schema library designed for validating structural data with ease and reliability. 🤖
✅ Validation👨💻 Development🔷 TypeScript - 7.8k
useHooks-ts
A ready-to-use React hook library, written in TypeScript, to simplify your React development and enhance your productivity.
👨💻 Development⚛️ React🔷 TypeScript🧩 Component Libraries - 7.7k
Bases
Hosts TypeScript configuration files designed to be extended in a TypeScript application, tailored to specific runtime environments.
👨💻 Development🔷 TypeScript - 7.4k
Neverthrow
A utility for handling type-safe errors in JavaScript and TypeScript, enabling robust error handling and improved code quality.
👨💻 Development🔷 TypeScript🟡 JavaScript🔨 Utils - 7.1k
Superstruct
A simple, composable, and powerful way to validate data structures in JavaScript and TypeScript applications.
✅ Validation🟡 JavaScript🔷 TypeScript👨💻 Development - 7.1k
Ts-toolbelt
TypeScript's largest type utility library providing an extensive suite for advanced type manipulations.
👨💻 Development🔷 TypeScript🔨 Utils - 5.6k
Ts-migrate
A powerful tool to facilitate the swift and seamless migration of JavaScript codebases to TypeScript.
👨💻 Development✨ Code Quality🟡 JavaScript🔷 TypeScript - 5.3k
Remeda
A comprehensive utility library for JavaScript and TypeScript designed to simplify functional programming with a clean and intuitive API.
🔨 Utils🟡 JavaScript🔷 TypeScript👨💻 Development - 4.6k
Form
Headless, performant, and type-safe form state management for TypeScript/JavaScript, supporting React, Vue, Angular, Solid, and Lit.
👨💻 Development💫 State🟡 JavaScript🔷 TypeScript - 4.4k
Orpc
A framework for creating typesafe APIs effortlessly with a simple and user-friendly interface.
👨💻 Development🔁 API🔷 TypeScript - 3.9k
Prettier-plugin-sort-imports
A Prettier plugin designed to organize and sort imports in TypeScript and JavaScript files based on a specified order using regular expressions.
👨💻 Development🛠️ Tools🟡 JavaScript🔷 TypeScript - 3.1k
Restyle
A type-enforced system for building UI components in React Native with TypeScript, providing consistency and scalability.
👨💻 Development⚛️ React Native🎨 Styling🔷 TypeScript - 2.8k
Unovis
Modular data visualization framework supporting React, Angular, Svelte, Vue, and vanilla TypeScript or JavaScript.
📈 Visualization🧰 Framework🔷 TypeScript🟡 JavaScript - 2.6k
Voltagent
Open Source TypeScript AI Agent Framework for building smart applications.
🤖 AI🧰 Framework🔷 TypeScript
Frequently asked questions
What is the best open-source typescript tool in 2026?
Strapi is the most popular by GitHub stars right now. 🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
Are these typescript tools free?
Yes. Every tool on this list is open source and free to use in your own projects. Many can be self-hosted.
How is this list ranked?
Tools are ranked by GitHub star count, a strong proxy for community adoption and active maintenance. Star counts are refreshed regularly.
Stay Updated!
Get notified about new tools and updates to existing ones.