RSend Project - Free Windows Instant Messenger for LAN and WAN

RSend is free software for instant messaging in Microsoft Windows Network

RSend is designed for enterprises with a distributed network of branches in different subnets and connected through slow links. RSend is easy to use, doesn't require installation and maintenance of administrator, provides integration with Active Directory, deployment via group policy.

High performance

Microsoft Windows XP/7/8/10/2003-2012 platforms. High speed of message delivery to large groups of recipients through asynchronous multithreading data transfer. Number of users up to 1,000.

LAN / WAN implementation

Client-server architecture based on .NET Remoting technology and Visual C#. LAN and WAN messaging implementation. Minimum bandwidth and computers resources consumption.

User-friendly interface

Users and computers names, public and private groups as recipients. Domain groups (including shadow, nested). Built-in search and filter. Multi-language support. Hot keys. Command-line utility.

For more information please refer to the "About project" page ... read more

Video (HD) with demonstration of RSend in a real production environment (!) you can see by clicking on the link below

RSend Administrator Guide

The manual includes a description of messaging algorithm, how to configure RSend Server, RSend Client and RSend Alert, deployment in a production environment, performance optimization, multi-language support, logging of work and more ...

RSend User Guide     

For users and administrators. Includes a description of the user interface of RSend Client and recommendations on how to use it, description of the command line utility - RSend Alert.

To review these manuals, as well as other useful information, please see "Documentation" page more

Multi-language support

It is possible to configure the native language of RSend for the user. All you need to do is to change the settings in the language config file.
Currently RSend available in two languages: English and Russian. If you have the desire to do RSend available in other languages please translate config file and send it to: