Instant Messaging Software: 45 Free Downloads

Every program tagged "Instant Messaging" on LvRuan, newest first, each with an overview, screenshots and a download link.

Wire

Wire

End-to-end encrypted team messaging

instant-messagingencryption
11/4/2026
QQ

QQ

Tencent instant messenger

instant-messagingwindows
11/1/2026
Mumble

Mumble

Low Latency Open Source Voice Chat

instant-messaging
10/28/2026
Imo Messenger

Imo Messenger

Free video calls and chat on your PC

instant-messaging
10/23/2026
IMVU

IMVU

3D avatar social chat

instant-messaging3d
10/16/2026
WhatsApp for PC

WhatsApp for PC

WhatsApp for Windows

instant-messaging
10/9/2026
Psi+

Psi+

Jabber instant messenger

instant-messagingxmpp
10/7/2026
Viber

Viber

Free encrypted calls and messaging

instant-messaging
9/30/2026
LINE

LINE

The messenger of Japan and Taiwan

instant-messaging
9/30/2026
Nextcloud Talk Desktop

Nextcloud Talk Desktop

Nextcloud Talk desktop client

instant-messagingvideo-conferencing
9/29/2026
Haven

Haven

Self-hosted private Discord alternative

self-hostedinstant-messaging
9/29/2026
Open OSCAR Server

Open OSCAR Server

Self-hostable server for classic AIM and ICQ clients

self-hostedinstant-messaging
9/29/2026
CometChat UI Kit for Android

CometChat UI Kit for Android

Chat and voice/video calling UI kit for Android

android-mrcg2081instant-messaging
9/29/2026
Valour

Valour

Open source community platform

instant-messagingcommunity
9/29/2026
Skymu

Skymu

Skype-style multi-platform messenger

instant-messaging
9/29/2026
OwnCord

OwnCord

Self-hosted Discord alternative

self-hostedinstant-messaging
9/28/2026
wacrm

wacrm

Self-hostable CRM template for WhatsApp

crminstant-messaging
9/28/2026
Whatomate

Whatomate

Open source WhatsApp Business platform

ai-customer-serviceinstant-messaging
9/28/2026
nchat

nchat

Terminal client for Telegram and WhatsApp

terminalinstant-messaging
9/28/2026
KakaoTalk

KakaoTalk

South Korea's dominant messaging app

instant-messagingsocial-network
9/15/2026