# OpenSeadragon [](https://gitter.im/openseadragon/openseadragon?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [](http://travis-ci.org/openseadragon/openseadragon) An open-source, web-based viewer for zoomable images, implemented in pure JavaScript. See it in action and get started using it at [http://openseadragon.github.io/](http://openseadragon.github.io/). ## Stable Builds See the [GitHub releases page](https://github.com/openseadragon/openseadragon/releases). ## Development If you want to use OpenSeadragon in your own projects, you can find the latest stable build, API documentation, and example code at [http://openseadragon.github.io/](http://openseadragon.github.io/). If you want to modify OpenSeadragon and/or contribute to its development, read the [contributing guide](https://github.com/openseadragon/openseadragon/blob/master/CONTRIBUTING.md) for instructions. ## License OpenSeadragon is released under the New BSD license. For details, see the [LICENSE.txt file](https://github.com/openseadragon/openseadragon/blob/master/LICENSE.txt).