# Gecode - Generic Constraint Development Environment

![Gecode](images/gecode-logo-100.png "Gecode")

Gecode is an open source C++ toolkit for developing
constraint-based systems and applications. Gecode provides a
constraint solver with state-of-the-art performance while being
modular and extensible.

[master](https://github.com/Gecode/gecode/tree/master):
[![Build Status master](https://api.travis-ci.org/Gecode/gecode.svg?branch=master)](https://travis-ci.org/Gecode/gecode)

[develop](https://github.com/Gecode/gecode/tree/develop):
[![Build Status develop](https://api.travis-ci.org/Gecode/gecode.svg?branch=develop)](https://travis-ci.org/Gecode/gecode)

## Getting All the Info You Need...

You can find lots of information on
[Gecode's webpages](https://gecode.github.io),
including how to download, compile, install, and use it.

In particular,
Gecode comes with
[extensive tutorial and reference documentation](https://gecode.github.io/documentation.html).

## Download Gecode

Gecode packages (source, Apple MacOS, Microsoft Windows) can be downloaded from
[GitHub](https://github.com/Gecode/gecode/releases)
or
[Gecode's webpages](https://gecode.github.io/download.html).

## Contributing to Gecode

We happily accept smaller contributions and fixes, please provide them as pull requests against the develop branch. For larger contributions, please get in touch.

## Gecode License

Gecode is licensed under the
[MIT license](https://github.com/Gecode/gecode/blob/master/LICENSE).