Google Talk Alternatives

OggChat is a live help and live support service that lets businesses increase sales and improve customer support by implementing a live chat widget on their website.

A XMPP Client for BlackBerry 10 (aiming Google Talk)

Google provides great cloud-based services, but it is important to keep a local copy of your data.

OctroTalk is an Jabber/Gtalk client with support for GTalk (GMail) audio and Video calls.

Commandline XMPP Client. Profanity was originally written for two main reasons.

Centerim is an command line interface chat client for the common protocols like icq, msn, aim, jabber, …

Galaxium is an instant messenger application designed for the GNOME desktop.

Tkabber is a Free and Open Source client for the Jabber instant messaging system.

Open-source XMPP client for Android and Web.

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 GNU General Public License.

The goal of Kopete is to provide users with a single easy-to-use way to access all of their instant messaging systems. The interface puts people first, and is integrated with the system address book to let you access your contacts from other KDE applications.

Open-source video calling and chat platform.