Source: http://codex.wordpress.org/Weblog_Client
Windows
- BlogDesk – supports German and English
- BlogJet
- Chrysanth WebStory – freeware
- Ecto – 21-day trial
- LIPIDr Blog Client – freeware, last version: 2007
- Microsoft Word 2007
- Post2Blog – detailed WordPress instructions
- QTM
- Qumana
- RocketPost
- Semagic
- Zoundry Raven – open source
- w.bloggar – freeware, last version: 2007
- WB Editor
- Windows Live Writer
- WordPress Comments notifier – open source
Mac OS X
- Blogo – 21-day trial
- Ecto – 21-day trial, seems to be buggy (Atom is completely broken)
- MacJournal – trial
- MarsEdit – 30-day trial
- QTM
- Qumana
- BlogMate – Plugin for TextMate
Linux
- BloGTK
- Drivel
- Gnome Blog
- GScribble
- WordPress Comments notifier – open source
- QTM
Browser-Based
Cross-platform browser-based clients. Also check Firefox Add-on directory.
- Apture – Add-on for Firefox
- Deepest Sender – Add-on for Firefox/SeaMonkey
- Flock – browser
- ScribeFire – Firefox Add-on. Formerly known as “Performancing”
- Shareaholic – available for various browsers
- WriteToMyBlog – web based, IE & Firefox only.
- Zemanta – Firefox Add-on/IE Plugin/also available as a bookmarklet
Mobile
Android
- PostBot
- wpToGo (merged with WordPress for Android)
- WordPress for Android – open source
- WP Stats – client to access “WordPress.com Stats”
BlackBerry
- WordPress for BlackBerry – open source
- MoPress – open source
iPhone
- BlogPress
- BlogWriter
- WordPress for iPhone – open source
- BlogBooster
J2ME
- MoPress – open source
Nokia Phones
- WordPress for Nokia – open source, supports both Symbian S60 and Maemo
- Wavelog – commercial, Symbian S60 only
- MaStory – Maemo/MeeGo only
- WordPress blogging client – Maemo/MeeGo only