OlapX software is an ActiveX control called OlapXApp. OlapXApp comes with a a runtime license of ChartFx Client/Server 5.1, so if you wish to develop your own applications, you must have licensed ChartFx in your machine.
Download.Link-1 OlapX Developer is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around 60USD.