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LAN messenger for an internal office chat for home or business users. It does not require a server and is very easy to install and use. It supports personal chats, group chats, message brodcasting, files transfer and remote desktop access.

LAN Messenger is a decentralized UDP IM-style chat client which supports usernames...

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VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

Secure instant messenger app for office provides seamless instant messaging solutions for all office, corporate and enterprise business communication needs.

Organize secure messaging system and communicate instantly via self-hosted IM server.

Secure instant messenger for any network

freemium $6.0 / One-off (per user)

BORGChat is a LAN messaging software program.

BigAnt Office LAN Messenger offers rich features for secure and stable business communication.

You can message and share files inside your intranet without a server.

AChat enables you to chat on your local network (LAN). But you can also share entire directories or send specific files, show images to other users and send messages even to users who are currently offline. Everything with full Unicode support.

KouChat is a simple serverless chat client for local area networks (wifi).

IP Messenger (Official Site)

Winpopup LAN Messenger is a cost-effective Office, Corporate, Enterprise Instant Messaging solution.

Share files offline. No servers. No cloud. No limits.