Movable Type - http://www.movabletype.org/
Perl based software for weblog management.
WordPress - http://wordpress.org/
A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
Radio UserLand - http://radio.userland.com/
Weblog software for individuals, educational institutions, and corporations.
Blosxom - http://www.blosxom.com/
Lightweight blogging application written in Perl.
Drupal - http://www.drupal.org
Full-featured content management/discussion engine suitable to setup a news-driven community or portal site.
pMachine - http://www.pmachine.com/
Blogging and news software with extra features, like member registration, mailing list manager, random content displayer, public weblogs, search engine, birthday calendar and hit counter.
Geeklog - http://www.geeklog.net/
Free open-source blog tool. Runs on many different operating systems and uses PHP4 and MySQL.
b2evolution - http://b2evolution.net/
Full featured PHP/ mySQL blog tool. Supports multiple categories, sub-catgeories, multiple blogs, skins, stats, comments, anti-spam filters.
Serendipity - http://www.s9y.org
An open-source project for creating a simple CMS for blog authors.
Textpattern - http://textpattern.com/
A flexible, elegant, easy-to-use content management system for all kinds of websites, even weblogs.
b2 - http://cafelog.com
Slashcode - http://slashcode.com/
Open Source software for creating Slashdot-style discussion weblogs. Provides links to the software, and help for setting up and running the software.
Nucleus CMS - http://www.nucleuscms.org/
A PHP/SQL blogging tool which resides on your webserver. Includes multiple blog capabilities, and RSS syndication.
Scoop - http://scoop.kuro5hin.org/
Free collaborative media software for running community web logs . Requires Perl, mod_perl, and MySQL.
Roller Weblogger - http://www.rollerweblogger.org/
Open source weblogger written in Java and based on Struts, Velocity and Castor. Not recommended for beginners.
Moblogs by textamerica - http://www.textamerica.com/
Post from any country and any mobile provider. Customize the look of your pages. No HTML knowledge needed. Free service.
Greymatter - http://www.noahgrey.com/greysoft/
Weblogging software requires Perl 5 and knowledge of HTML.
MT Plugin Directory - http://mt-plugins.org/
Searchable directory of add-ons for the Moveable Type software. Includes examples and bug tracker.
The Unofficial Coranto Website - http://coranto.gweilo.org/
Content management script supports static /dynamic content generation, unlimited users, categorized content, multiple page generation, customizable news style, auto-archiving, web-based setup and configuration and addon modules.
Big Blog Tool - http://www.bigblogtool.com/
Making a blog or personal website easier to create and manage.
bBlog - http://www.bblog.com/
A feature packed template based blogging tool, written in PHP with Smarty templates, released under the free GPL licence.
BlogWizard - http://www.lionhardt.ca/bw/
Allows you to create, edit, and publish your blog entries to the server where your weBlog is located. BlogWizard works with all major weBlog services that support the Blogger xml-rpc engine.
Antville - http://www.antville.org
Based on an open source project aimed to the development of an "easy to maintain and use" weblog-hosting system. It can host unlimited blogs.
Pivot-log - http://www.pivotlog.net/
A customizable web log tool written in PHP and using XML as the data store.
boastMachine - http://boastology.com
PHP/MySQL powered blogging platform.
Blog Drive - http://www.blogdrive.com/
A weblog publishing service that is easy enough for a beginner and advanced enough for an expert.
tBLOG - http://www.tblog.com/
Integrate fully customizable blog templates, with any website. Add calendar, search, link management, voting, and comment modules.
PhpWebLog - http://phpweblog.org/
News and content management system.
Thingamablog - http://thingamablog.sourceforge.net/
A cross-platform, standalone application for authoring and publishing weblogs. It will work on any platform on which Java can run. Thingamablog does not require a third-party blogging host, a CGI/PHP enabled web server, or a MySQL database. The only requirement to setup and manage a blog is FTP access to a web server.
Personal Weblog - http://www.kyne.com.au/~mark/software/weblog.php
Personal Weblog is a PHP/MySQL include file for adding a weblog to a home page. It is highly configurable and can be changed to fit any web page style.
Traction Software - http://www.tractionsoftware.com
Enterprise weblog software. System for capturing and managing knowledge in the course of a communication or business process.
ModBlog - http://www.modblog.com
Provides free customizable blogs.
NewsBruiser - http://newsbruiser.tigris.org/
Free, open source weblog program that focuses on ease of use.
Broadcast Builder - http://www.lionhardt.ca/bb/
Create RSS channels and weblogs. Windows.
MKDoc - http://mkdoc.com/
Web site building, serving and content management tool that has been designed to encourage the use of good information architecture and the production of accessible web sites.
PHP-Blogger - http://www.phpblogger.com
Open source script for publishing simple entries that may include pictures uploaded through the administrative interface.
Open Journal Project - http://www.grohol.com/downloads/oj/
Free, perl-based open source journal script.
BLOG:CMS - http://www.blogcms.com
Blogware requires PHP and MySQL. Features include weblog, forum, wiki, news aggregator, and photo gallery.
EasyMoblog - http://easymoblog.sourceforge.net/
An open-source platform for personal weblogs and moblogs. It allows the creation of customizable and easy-to-use weblogs. Update just by sending e-mail messages.
The Journaling Script - http://www.awdang.com/journal/
Free CGI script for publishing a journal or weblog.
Trellix - http://danbricklin.com/log/byol.htm
Client-side windows based blogging software. No HTML experience required.
Pocket Blog - http://www.pocketblog.com/
Pocket PC application for managing weblogs that support the Blogger API. Works offline, posting entries when internet connectivity is available.
SnipSnap.org - http://www.snipsnap.org
Weblog and wiki system written in Java.
BlogBinders.com - http://www.blogbinders.com/
Create a bound book out of your live journal, blog or weblog.
TongueWag - http://www.tonguewag.com
Video blogging system which also offers WYSIWYG editing, newsletter wizard, polls, RSS, and password protection.
Blogster - http://www.blogster.com/
Resources for free weblogs. Offers tools, tips, and opportunities to share.
Easy Blogs - http://www.easyblogs.com/
Desktop-based journal publisher stores all information on the local computer and uploads content via FTP. Multiple templates and RSS feed available.
PHPosxom - http://sourceforge.net/projects/phposxom/
PHP rewrite of Rael Dornfest's Blosxom.
BlogFace - http://www.zope.org/Members/karl/BlogFace/BlogFace
A weblog product for the Zope application server.
Ranchero Software - MarsEdit - http://www.ranchero.com/marsedit/
A multifeatured weblog editor for Mac OS X (10.3 or higher).
Adminimizer Toolbar - http://www.aspmodules.com/at/bloginfo.asp
Fully-featured HTML editor that works inside a web browser to update a blog.
Kit - http://markpasc.org/code/radio/kit/
Software package for use with Radio Userland, including search, news aggregation, file uploader, and other tools.
BlogMax - http://www.billstclair.com/blogmax/
Emacs elisp package for maintaining a web log.
blojsom - http://blojsom.sourceforge.net
A lightweight blog package written in Java that is inspired by blosxom. Includes highly configurable flavors, templating, plugins, and the ability to run a multi-user blog.
Rare Window - http://www.rarewindow.com
A free tool for creating and hosting moblogs - blogs updated directly from a mobile camera phone. Nokia, Ericsson, Motorola and others handsets supported.
CocoBlog - http://cocoblog.sourceforge.net/
Open source blogging package based on Apache's Cocoon and Xindice products.
People's Online Publishing - http://www.myonlinepublication.com
A community-oriented web-based tool to create online publications. Targeted at commercial and business clients.
LittleHJ - http://www.littlehj.com/
Maker of Blogwave Studio, a blogging client specifically for .Mac users.
JournURL - http://www.journurl.com/
Integrates blogging and forum features to create a communal content management system.
Fuseblog - http://www.riahsoftware.com/fuseblog/
An open source blog software package written using ColdFusion, based on the Fusebox framework. The source code is downloadable form the site.
iUplog Personal Publishing - http://www.iuplog.com
Offers free personal and mobile blogs.
Monaural Jerk - http://monauraljerk.org
Free, open-source PHP/MySQL weblog system. Includes calendar navigation, "edit this page", searching, channels, RSS, XML, tell-a-friend, and spider-friendly URLs.
telnet7 Bloggy - http://t7_bloggy.tripod.com
For websites that use free webhosting services.
Particle Blogger - http://www.particlesoft.net/particleblogger/
Server-side blogging tool written in PHP with intergrated RSS feed and static URLs option.
Write2Left - http://www.write2left.com
PHP/MySQL-based personal publishing system.
Nanoblogger - http://sourceforge.net/projects/nanoblogger/
Small weblog engine written in Bash.
Addendat - http://deekoo.net/technocracy/addendat/
SnapLog Photo Blogger - http://snaplog.com/
A one click photo blog publishing application that sends updates to a site via FTP.
Blog Script - http://metastatic.org/source/blog/
A simple, command-line based utility for maintaining personal weblogs.
Sunlog - http://sunlog.ch/
Weblog software written in PHP and MySQL.
GBlog - http://www.gblog.com/
Fully PHP-based software requires no databases. Free for non-commercial use; number of authors unlimited.
MyTripJournal.com - http://www.MyTripJournal.com
Easy-to-use blogging tool with mapping system designed specifically for travelers. Post text and photos. Includes a notification system to let your friends know when an update is posted.
Simsi Mobile Weblog - http://www.rowlff.de/simsi/
A free photo moblog written in PHP.
GoBlogGo - http://www.gobloggo.com
Post pictures from a camera phone. Moblogging photoblog home.
Coranto - http://coranto.sardonica.net
The temporary home of Coranto, a full featured news posting program with all the normal features, along with addon support
CF Blogger - http://www.daydreaminc.com/personal_blog.cfm
A blog application built with coldfusion. This is an open source project. Submissions for templates or ideas are welcome.
FlatBlog - http://gecko.f2o.org/mirror/flatblog/
Flat text file-based blogging engine in PHP. Databases not required.
Blog Organizer - http://informationorganizer.com/blog_organizer.html
You can create, manage, organize, share and publish your blogs. All blogs will be automatically organized according to time of the blog. Also organize them further based on the subject of the blog or related people or locations.
Somery - http://somery.danwa.net/
PHP-based 'blog software.
PersonalBlog - http://sourceforge.net/projects/personalblog
Light-weight personal blogging application that is suitable for installing on a host provider. It's written in JAVA and uses a variety of J2EE technologies.
MeYou - http://www.meyou.com
Publish your own blogs with your PC or your mobile Java phone. Community directory available.
The b2 Dev Suite - http://adamwalker.34sp.com
Fully customizable PHP blogging tool.
indiePost - http://www.innerpeacesecurity.com/indiepost
Free server-side PHP/MySQL-based service posts updates via FTP.
ApeJet Blog - http://www.apejet.org/sites/apejetblog/
Simple open source tool for servers running PHP. No database needed. Produces RSS, archives, and categories.
ZuZuSoft - http://erasable-ink.tripod.com/journalscript/index.html
CGI/Perl-based script for publishing a journal through text files rather than a browser interface.
KleverKids - http://www.kleverkids.com/
Created and managed by three "klever" homeschooled kids. Offers many features and templates.
SimplyBlog Software - http://www.kamat.com/community/software
Tool designed to create weblogs on corporate Windows based Intranets.
BlogLite - http://phplabs.com/scripts.php?script=BlogLite
A basic, easy to use weblogging suite built with PHP and MySQL. 2 scripts, 2 HTML templates. Web journaling script.