Ecto
- Full-featured desktop client for Mac and Windows. Supports a wide variety of publishing tools.
- http://infinite-sushi.com/software/ecto/

PowerBlog
- Client tool for Windows. Uses Blogger API and offers other publishing mechanisms as well.
- http://sourceforge.net/projects/pwrblog/

Adminimizer Toolbar
- Fully-featured HTML editor that works inside a web browser to update a blog.
- http://www.aspmodules.com/at/bloginfo.asp

Qumana
- Offline publishing tool. Links to a DropPad, then open to edit, tag and post to as many blogs as you want.
- http://www.qumana.com

Chrysanth WebStory
- A desktop blog manager that enables users to post blogs to multiple hosts with only a single click. Built-in WYSIWYG editor plus spell checker.
- http://www.thewebstory.com

InstaBlog
- A minimalistic weblog-by-IM tool written in Perl; requires only FTP access to the web server.
- http://instablog.hit.bg/

Anconia RocketPost
- Easy desktop blogging program for non-technical users. Compatible with Blogger, Movable Type, and standalone updating.
- http://www.anconia.com/rocketpost/

BlogJet
- Desktop blogging application for Windows that supports all leading blog services.
- http://blogjet.com

WebPage Access
- Web blogger software and services based in realtime.
- http://www.webpageaccess.com

BlogPlanet
- Moblogging client written in J2ME to run on mobile phones and Palm PDAs. Compatible with most blog servers; photo functionality on select phones.
- http://www.blogplanet.net

BlogWorkz
- Desktop client for Mac OS X for sites implementing the Blogger API.
- http://blogworkz.soapdog.org

Blog Photo Diary
- Moblogging client sends images from a phone directly to a Blogger API-powered site.
- http://www.teazel.com

Azure
- Free client for use with mobile phones and PDAs. Publishes to Movable Type sites.
- http://web.vee.net/projects/azure/

Mod_blosxom
- Module for Apache that builds a lightweight weblog environment. Functions in a similar manner to Blosxom.
- http://mod-blosxom.sourceforge.net/

Eastgate Tinderbox
- Personal content management assistant. Stores notes, ideas, and plans. Share ideas through Web journals and weblogs. Runs on Macintosh computers.
- http://www.eastgate.com/Tinderbox/

Chronicle Lite
- Free and easy front end to Blogger API compatible sites.
- http://chronicle.caffeinatedbliss.com/lite

MozBlog
- Mozilla extension to enable in-browser publishing to sites implementing the Blogger API.
- http://mozblog.mozdev.org/

BlogniX
- Native QT/XmlRpc-c based Linux blogging client.
- http://blognix.sourceforge.net

BloggerBot
- A publishing gateway that allows users of AOL Instant Messenger to post to sites using Blogger.
- http://www.fibiger.org/bloggerbot

blogBuddy
- A Windows application for managing sites using blogger.com or others that implement the Blogger API.
- http://blogbuddy.sourceforge.net/