OPALS is #5 in Top 10 Integrated library systems
OPALS is a proven, open-source automated library system. Whether your library has hundreds of resources or millions, there is likely a library just like yours that has adopted OPALS. Library members can access the library on the Web. The provider can either host and maintain OPALS on its servers or work with your staff to install and support it at your site.
Positions in ratings
#5 in Top 10 Integrated library systems
The best alternatives to OPALS are: LibLime Koha, Evergreen, Alfa Ebooks Manager