---
title: Overview
---
Jan's mission is to power the next-gen App with limitless extensibility by providing users with the following:

- Unified API/ Helpers so that they only need to care about what matters.
- Wide range of Optimized and state-of-the-art models that can help your App with Thinking/ Hearing/ Seeing capabilities. This is powered by our [Nitro](https://github.com/janhq/nitro).
- Strong support for the App marketplace and Model marketplace that streamline value from end customers to builders at all layers.
- The most important thing is: The users of Jan can use the Apps via UI and API for integration.

At Jan, we strongly believe in `Portable AI` and `Personal AI` that is created once and run anywhere.

## Downloads
[Jan.ai](https://jan.ai/) - Desktop app

[Jan Github](https://github.com/janhq/jan) - Opensource library for developers