Blogger is simple blog publishing software owned by Google.

Jekyll is a simple, blog aware, static site generator. It takes a template directory containing raw text files in various formats, runs it through Textile or Markdown and Liquid converters, and creates a complete, static ready-to-publish website suitable for serving with your favorite web server. Jekyll also happens to be the engine behind GitHub Pages, which means you can use Jekyll to host your project’s page, blog, or website from GitHub’s servers for free.

The Blog Analysis Toolkit (BAT) is a free, Web-based system for capturing, archiving and sharing blog posts. Blog posts are acquired via RSS feeds, and stored in a database where they can be accessed and shared by other researchers. Free registration is required.

NOTE: this platform is closing down on April 30, 2013 and will no longer be available.

Posterous Spaces is an online sharing platform where users can publish content via a web interface, by email, or by using a mobile app.

Tumblr is a blogging/microblogging platform with a focus on data sharing between individual blogs. Users can create and disseminate data in a visual or HTML editor, using standard Tumblr posting formats: text, photo, quote, link, chat, audio, and video.

Built-in customization tools allow users to manipulate the appearance of their blog with little knowledge of web development. Tumblr also provides a CSS/HTML customization panel for more advanced users, including theme documentation and the ability to upload/alter theme asset files (e.g., CSS, JS).

TypePad is a commercial, fully hosted blogging platform. Provides library of customizable blog designs.

LiveJournal is a community publishing platform, with features characteristic of both blogging and social networking platforms. The site is longstanding, originally established in 1999 as a blogging platform and online community built around personal journals. Today comprises more than 50 million journals, with topical focuses such as politics, entertainment, fashion, literature, and design.

Edublogs is an educational blogging service for teachers and students to create, manage, and publish on their own WordPress sites. Provides cloud hosting and a simplified interface, as well as additional account options at the university level.

WordPress is an easy-to-use web publishing platform originally designed around blogging that has now evolved with functionality as a robust content or learning management system, with many themes and plugins for extra functionality.