Download
From FollowTheScore
The source code for all extensions can be downloaded here as a ZIP archive.
To use Wgraph you need the gnu utility recode. For convenience we provide a recode archive which contains binary versions for windows and linux. You must place the files under extensions/Wgraph/linux/bin/recode or extensions\Wgraph\windows\bin\recode.exe.
Read the installation instructions for DPL and Wgraph:Installation carefully. Especially a linux installation of Wgraph needs some care. It is not sufficient to copy the downloaded files to the extension directory and add the require_once statements in LocalSettings.php.