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JavaScript Open Source Award

We celebrate community success and highlight the most impactful Open Source projects of the recent year.

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OS Awards project requirements:

  • The project must not have won previously.
  • The project must use OSI-approved licenses.
  • The project must be free software or have its main functionality open.
  • Projects can be nominated again if significant updates have been made or if they have undergone complete changes.

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Next ceremony

JSNation Conference

The biggest JavaScript conference will host its 7th annual edition of the JS Open Source awards.
June 12, 2025

Details

2025 Nominees

Breakthrough of the Year

A project that contributes to the JavaScript ecosystem and adds new dimensions and possibilities for further development. New concepts and ideas with excellent first realization and huge future potential.

The Most Exciting Use of Technology

Unique and unconventional use of JavaScript: a mix of original software and technologies that make the language shine and boost the development.

  • ts-blank-space

    github.com/bloomberg/ts-blank-space

    ts-blank-space is a fast type-stripping compiler that converts TypeScript to JavaScript

  • Brisa

    github.com/brisa-build/brisa

    Brisa is a modern full-stack framework built on Web Standards

  • The Ember Polaris

    github.com/NullVoxPopuli/polaris-starter

    The Ember Polaris project is a huge shift in ember: aligning with broader ecosystems concepts and tooling so that ember can be *both* stability for when you need it most, and enable you to experiment without limitation

  • Wasp

    github.com/wasp-lang/wasp

    Wasp is a full-stack, Laravel-like web framework for React, Node.js, and Prisma. Build your app with the best practices out-of-the-box and deploy it with a single CLI command

  • Fontaine

    github.com/unjs/fontaine

    A framework-agnostic build plugin that adds CSS which automatically reduces layout shift with custom web fonts

Productivity Booster

The best projects that improve the efficiency of the development work.

  • zod

    github.com/colinhacks/zod

    Zod is a TypeScript first schema validation library. Define a schema, parse unknown data with it, get back a type safe result

  • happy-dom

    github.com/capricorn86/happy-dom/

    A JavaScript implementation of a web browser without its graphical user interface

  • Stricli

    github.com/bloomberg/stricli/

    Stricli is an open source framework for building type-safe, lazy-loaded CLI applications with TypeScript. Published by Bloomberg, this framework was developed for the company's internal CLIs, and its engineers have now shared it with the world

  • Crawlee

    github.com/apify/crawlee/

    Crawlee is a web scraping library for JavaScript and Python. It handles blocking, crawling, proxies, and browsers for you

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