# GeoTools [GeoTools](http://geotools.org) is an open source Java library that provides tools for geospatial data. Our Users guide provides an [overview](http://docs.geotools.org/latest/userguide/geotools.html) of the core features, supported formats and standards support. ## License GeoTools licensed under the [LGPL](http://www.gnu.org/licenses/lgpl.html). The user guide [license](http://docs.geotools.org/latest/userguide/welcome/license.html) page describes the less restrictive license for documentation and source code examples. ## Contributing The developers guide outlines ways to [contribute ](http://docs.geotools.org/latest/developer/procedures/contribute.html) to GeoTools using patches, pull requests and setting up new modules. If you are already experienced with GitHub please check our [pull request](http://docs.geotools.org/latest/developer/procedures/pull_requests.html) page before you start! ## Building GeoTools uses [Apache Maven](http://maven.apache.org/) for a build system. To build the library run maven from the root of the repository. % mvn clean install See the [user guide](http://docs.geotools.org/latest/userguide/build/index.html) for more details. ## Bugs GeoTools uses [JIRA](http://www.codehaus.org/), hosted by [CodeHaus](http://www.codehaus.org/), for issue tracking. ## Mailing Lists The [user list](mailto:geotools-gt2-users@lists.sourceforge.net) is for all questions related to GeoTools usage. The [dev list](mailto:geotools-devel@lists.sourceforge.net) is for questions relateded to hacking on the GeoTools library itself. ## More Information Visit the [website](http://geotools.org/) or read the [docs](http://docs.geotools.org/).