Valentina Server /5 is a free version of Paradigma Software's commercial product Valentina Server (Valentina Office Server for versions 4.9 and earlier). Valentina Server /5 contains all technical features of the commercial version of Valentina Server.
This is 100% the same installer and application. Difference is only in license file, which anybody can get for free.
The /5 refers to the number of simultaneous connections supported by this version of Valentina Server. These are unnamed, reusable connections. Once a connection is closed, it becomes available to another user. The /5 does NOT refer to the version number of the product.
Go to Paradigma Online Store and choose Valentina Server section. Then choose fee VServer product, finish order. You will not be asked for card info. In few minutes you will get letter with license file on your name.
1) you get special license_emb file, which allows you deploy vserver now. You can provide even own installer. So for your users procedure of installation becomes much simple. End user do not need self install VServer, register to free license, drop it into correct place, start/restart vserver.
2) If end-user needs more connections, he should contact you. Then you resale him connections from Paradigma. You can get additional quite big profit. Usually end-user can pay 20-70$ per seat for client-server apps.