This is a list with some of the most common and popular Jabber clients. For more clients, click here.

Adium (Mac)

For Mac users, we recommend this free and open source client. It features a variety of useful options and supports „Off-The-Record“ (OTR) encryption.

Download: http://adium.im/
Manual: here

iChat (Mac)

The Jabber support of iChat is very limited. You can use a Jabber account, but you can not register a new one with it.

About iChat: www.apple.com
Manual: here

Pidgin (Linux, Windows)

Pidgin, a very popular and free client, was formerly known as Gaim. A plug-in for „Off-The-Record“ (OTR) encryption is available here.

Download: http://www.pidgin.im/

Psi (Mac, Linux, Windows)

Psi is a fast open source client for all common operating systems. It supports encryption with Open PGP.

Download: http://psi-im.org/
Manual: here