GCstar is not available as a web app but there are a few alternatives that runs in the browser with similar functionality. The best open source Online alternative is Abelujo. If that doesn't work for you, our users have ranked more than 100 alternatives to GCstar, but unfortunately only two of them are open source and available as a web app. If you can't find an alternative you can try to remove all filters.
The only free software for bookshops. Add books to your collection, sell, see the history, organize commands, see stats, and more. The search engine has very good results, based on real bookstores and on professional data providers.
