VCM is an instant messenger software for local area network/ intranet, which is server-less. With secured security, it consist of useful functions such as encrypted messaging, chats, file transfers, message history, enhanced customization options, as well ask non-complicated, user-friendly interface for easy usage. It does not need an internet connection to connect among pcs. All you need is computers connected via LAN cable.
Users are able to customize their preference in keeping message history, configuring hotkeys for get/send message/reply/etc, color preference, as well as diferent types of alerts.
Adding contacts in the list is as simple as abc. You can add via user's computer name or local ip address.
To download, you can follow the link here.