Apache Airavata
Airavata PGA Gateway: http://test-drive.airavata.org/pga/public/home
Gateway User Manual: Tutorial 06 - PHP Reference Gateway for Airavata - End-User Guide
Gateway Admin Manual: Tutorial 07 - PHP Reference Gateway for Airavata - Gateway Admin Guide
Application Input Files: XSEDE15 Gateway Tutorial Application Input Files and Parameters
Official Airavata Website: http://airavata.apache.org