IntraMessenger Alternatives

IP Messenger (Official Site)

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

Open Source

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)

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

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

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

A messaging app for teams who see through the Earth!

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

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

Send whatever you want, wherever you want

HCL Sametime offers the best online meetings software for online web conferencing and video conference platforms that help reinvent your workplace with secure chat and meeting capabilities.

Fast, simple & secure messaging. Privacy that fits in your pocket.

Open Source

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.

BORGChat is a LAN messaging software program.