Hi,
NewGenLib has a new OPAC Solution. It is from Vufind. Vufind can be completely be customized according to your requirements. Vufind is also open source
1. Go to vufind.org, download vufind and install it. We suggest you to install it on a system other than NGL Server. However this system must be connected via LAN to NGL Server
2. Export your NGL data using this tool
http://sourceforge.net/projects/newgenlib/files/NewGenLib/vufind/NGLMARCExport.zip/download3. Import it into Vufind.
Visit
http://www.verussolutions.biz/files/NewGenLibVufind.pdffor more details
Regards