ERP5 is released as an open-source software under the GNU General Public License Version 2. You can download it for free, use it for free and build upon new software as long as you respect the terms of the license.
There is to ways to download ERP5. The first one is to install ERP5 on your laptop. You will then have access to its code. The second one is to download the code, or read it online on the repository.
Install ERP5
Unless you want to create a mirror of ERP5 SVN repository, the best way to download ERP5 is by installing it on your laptop. ERP5 can run on any platform and on any OS. You must me interested in the following pages:
Download the Source Code
All ERP5's code is available on a public SVN repository, http://svn.erp5.org/erp5. On this repository you have three folders:
- erp5/release. This folder is used to move a version of ERP5 which is marked as to be released. It is one step before being tagged. If the community agree that the code is stable enough, the code will be tagged and moved to the other folder.
- erp5/tags. This folder contains all tagged version of ERP5. From time to time, developers need a version of ERP5. Then they stabilise the code and tag a version.
- erp5/trunk. This folder contains all recent ERP5 code. The code inside the repository is changing everyday as developers are working on it.
You can navigate through the code with any standard web-browser. If you must find specific informations into ERP5 source code, you might be interested in using ERP5 Source Code Search Engine.
If you wish to download the entire code on your laptop, It can be done thanks to the following subversion command line:
$ svn co https://svn.erp5.org/repos/public/erp5/
Or this one if you only want the latest version of ERP5 code:
$ svn co https://svn.erp5.org/repos/public/erp5/trunk