Tcal is a calendar in a Client-Server system which gives you the possibility to record your timed Events and to see other's resource calendars, if they are connected to TcalServer. TcalServer is the server component of the Tcal calendar.
The main characteristic of this calendar is that it uses a commercial Database (ex. FilemakerPro, version 6 to 8) in order to record timed events, allocates resources and jobs to them and to record each resource job load.
This allows the connection between the company-shared calendars to the company management Database, made by you in order to handle the everyday workload.
Tcalserver is the server component of the Tcal calendar. It connects trough Tcp/Ip to every Tcal calendars and to your databases, handling traffic and administering access levels.