Sage 300 runs through a browser or classic desktop is still available. You can install on your server, data center or request Sage 300 to be hosted.
Sage has had a lot of name changes over the years. The core features and database names are still very similar but the user interface and extended features have had significant changes. If you used Accpac in the past you will be surprised by the new features and pleased the core features have remained.
Pricing is subscription and based on per user. There are 3 additions available based on functionality needed; Standard, Advanced and Complete.