Anyone know a good web based system to manage libraries (of books)?
It's like a book catalogue/database software, but with web interface, because I want people to be able do searches / queries in the web system.
I prefer systems based on PHP and MySQL, because in general they are easier to install and administer, but others are also welcome.
TYPO3 has a library plugin which may be what you're looking for.
I think I came across some other web platforms aimed at actual libraries, but those may not be suited to your needs. However, I'll add them later if I can find them again.
On this question I found the answers I needed.
https://superuser.com/questions/65082/web-based-library-management-foss-application
As the user heavyd said, the only two viable options I found were Koha and Evergreen.
