The [freeCodeCamp.org](https://freecodecamp.org) community is possible thanks to thousands of kind volunteers like you. If you want to contribute your time and expertise, we would be excited to welcome you aboard.
> Before you proceed, please take a quick 2 minutes to read our [Code of Conduct](https://www.freecodecamp.org/code-of-conduct). We strictly enforce it across our community so that contributing to freeCodeCamp.org is a safe, inclusive experience for everyone.
You are welcome to create, update and fix bugs in our [curriculum](#curriculum), help us fix bugs in freeCodeCamp.org's [learning platform](#learning-platform), or [help us translate](#translations) freeCodeCamp.org to world languages.
You can help expand and improve the curriculum. You can also update project user stories to better-explain concepts. And you can improve our automated tests so that we can more accurately test people's code.
We are localizing freeCodeCamp.org to major world languages.
Certifications are already live in some major world languages like [Chinese (中文)](https://chinese.freecodecamp.org/learn), [Spanish (Español)](https://www.freecodecamp.org/espanol/learn/), [Italian (Italiano)](https://www.freecodecamp.org/espanol/learn/), [Portuguese (Português)](https://www.freecodecamp.org/espanol/learn/). We encourage you to read the [announcement here](https://www.freecodecamp.org/news/world-language-translation-effort) and share it with your friends to get them excited about this.
Our learning platform runs on a modern JavaScript stack. It has various components, tools, and libraries. These include Node.js, MongoDB, OAuth 2.0, React, Gatsby, Webpack, and more.
Broadly, we have a Node.js based API server, a set of React-based client applications, testing scripts to evaluate camper-submitted curriculum projects, and more. If you want to productively contribute to the learning platform, we recommend some familiarity with these tools.