Alternatives to Vacuum-IM for all platforms with any license

Pidgin

Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat networks all at once. It has built-in...

Free Open Source Mac Windows Linux BSD PortableApps.com ... Xfce
Support for Multiple protocols Support for Multiple protocols Extensible by Plugins/Extensions Supports XMPP ... Multiple languages Multiple Account support Multiple chat protocols Portable Video calling Voice Call Add a feature

1457 Like
Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM...

Free Open Source Mac Windows Linux Web Android ... iPhone BSD iPad
Apps with End-to-End Encryption Group chat iPhone/iPod sync Support for Multiple protocols ... Multiple Account support OTR Plugins Video calling WebRTC Add a feature

298 Like
Empathy

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those...
- Discontinued Empathy is currently unmaintained. Last version, 3.25, released in August 2017, can be still downloaded from the official website.
Free Open Source Linux BSD
Integrated File Sharing Support for Multiple protocols Video calling Add a feature

153 Like
Gajim

The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not require it to run. It is released under the...

Free Open Source Mac Windows Linux BSD Xfce
Encrypted chat Group chat Multiple languages OTR ... Supports XMPP Tabbed interface Video calling Add a feature

53 Like
YakYak

What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete conversation * Notifications * ...

Free Open Source Mac Windows Linux Hangouts
Portable Add a feature

19 Like
Jabiru

Jabber client for Android.
- Discontinued The app has been discontinued. Last version, 2.2.2.1, released in May 2013, can be still downloaded from Google Play Store.
Free Android
No features added Add a feature

5 Like
Caya

Caya is a multiprotocol Instant Messaging client for Haiku. Right now it support: - Google Talk - Jabber - Facebook - MSN Messenger - AOL Instant...

Free Open Source Haiku
No features added Add a feature

2 Like
Centericq

Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols.
- Discontinued The program is no longer updated. Last version, 4.21.0, released in September 2005, can be still downloaded from the official website.
Free Open Source Mac Windows Linux BSD
Built-in RSS reader Add a feature

1 Like
Beagle IM

BeagleIM is a lightweight and powerful XMPP client developed by Tigase, Inc. It provides an easy way to start using the XMPP Protocol (formerly known as Jabber) if...

Free Open Source Mac
Video calling Add a feature

0 Like