Instant Messengers Page 9 of 17

Sunbird Messaging is an Android & web app that gives users the ability to unify the world’s most popular messaging apps into one app inbox.

aMSN is a free open source MSN Messenger clone. aMSN attempts to emulate the look and feel of Windows Live Messenger, and supports many of its features.

Offline Messaging Voice Clips Display pictures Custom emoticons Multi-.

Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy

blabber.im is a fork of Conversations with some changes to improve usability.

Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.

Emoty is a messaging application with emphasis on simplicity, freedom and safety. It's a client for RetroShare network, hence use the same decentralized, Friend-to-Friend network structure with end-to-end encryprtion.

QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...

Scuttlebutt is the native Microsoft Viva Engage client for Mac OS X that provides simultaneous access to multiple Yammer accounts.

A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.

A secure video conferencing solution for businesses of all sizes. With focus on digital sovereignty and data protection.

Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.

Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.

Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and...

Text and video chat for your teams with unlimited users. Invite any customer to a conference. GDPR-compliant as self-hosted on your own server or in the cloud. Cross-platform support for Windows, Linux, macOS, and as a Docker container.

Kadu is an open source Jabber/XMPP and Gadu-Gadu instant messenger client for Linux, *BSD, Mac and Windows.

Private social media. Embed a self-hosted Discord alternative under your site.

QQ is a widely used Chinese instant messaging service developed by Tencent, offering chat, voice, and video communication. It integrates social networking features like groups, forums, and customizable avatars to enhance user interaction.

Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).

Zalo is a Vietnamese instant messaging multi-platform service developed by VNG Corporation.

Robin lets you ship superior in-app messaging experience without having to do the tedious work. Building 1-1 / group messaging can get complex, we have done the hard work so you never have to.

Collect all of those special little moments with the most important person in your life, in one app.

GoldBug is a secure Instant Messenger. You can be sure with using GoldBug (GB), that no third party can look into your chat communication. Private user-to-user communication remains private. GoldBug therefore uses strong multi-encryption with different layers of modern...

Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place.

Instant communication through text, voice, and live video chat with public, private, and custom chat rooms on desktop and mobile platforms.

Create your own Instant Messenger communities! Uniquely designed and fully centralized under your (admin) control. Server (open source PHP/MySQL) provides great flexibility, including the external authentication possibility (e.g. : forum, CMS, blog, PGI, CMR...).