a Multi-Protocol Messenger, supports StatusNet and Identi.ca natively as of version 1.4, as well as good general XMPP support. Multiple StatusNet accounts as well as other microblogging services such...
Full featured desktop microblogging client from Japan. Supports Identi.ca groups, XMPP, Growl notifications, URL shortening, Japanese emoji, and lots more.
bash twitter/identi.ca ididocy, a command line client for twitter and identi.ca
Buzzbird is totally free (as in beer and freedom). There are no advertisements, and it is completely open-source. It is built on Mozilla’s XUL platform, the same technology that is used in the...
KDE Micro-Blogging Client, Currently supports Twitter.com and Identi.ca services.
Chromed Bird allows you to follow your timelines and interact with your account.
Windows Vista and Windows 7 sidebar gadget with full support for StatusNet based microblogs (like Identi.ca). It lets you monitor the friends and the public timelines, search notices, filter...
Provides an omnipresent versatile search interface. It has a Twitter and identi.ca backend that let you post updates to your Twitter and/or identi.ca account.
Works with identi.ca and any other StatusNet install. Twitter dropped support for us, as oauth support is extremely unlikely.
Receive and send posts to Identi.ca, Twitter, FriendFeed, Facebook, Delicious, with a (shortened) link to the site you're currently at.
Works with both Gnome and KDE. A launcher (inspired by Quicksilver for Mac OS) with support for sending and receiving posts to/from identi.ca and Twitter.
Works with identi.ca and Twitter. Merges the timeline into one.
An Identi.ca client written in python for the n900 and other maemo devices. Also runs admirably on desktop Linux.
Hotot, is a lightweight & open source microblogging software, coding using Python language and designed for Linux. It depends less but supports more. It's been developed actively and still in...
Formatter for XMPP Bot messages on Weechat, through an XMPP to IRC gateway like Bitblee for example. It also provides subscription functionality, like subscription and unsubscription from users.
IdentiCurse is a simple but powerful client, primarily written for Identi.ca, but should theoretically work with any instance.