blojsom is a full-featured, multi-user, multi-blog package written in Java. blojsom aims for simplicity in its design while adding flexibility in areas such as the flavors, templating, plugins, and the ability to run a multi-user blog with a single blojsom installation.

The following list highlights some of the more important aspects of blojsom.

• Setup and Installation
  • Can be deployed to any Java application server.

• Administration
  • Can be administered using your web browser.

• Multiple Blogs/Multiple Users
  • Allows you to run multiple blogs on one installation of the software.
  • Supports any number of users per blog.
  • Stores separate configuration information per blog.
  • Permissions can be assigned to users on an individual basis to provide fine-grained access control over what functionality they can and cannot access on your blog.

• Entries
  • Generates permalinks to point to individual entries.
  • Supports search-engine friendly permalinks of the form month/day/year/permalink.
  • Entries can be categorized.
  • Calendar-based navigation so that you can view blog entries by year, year and month, or year and month and day.

• Categories
  • Supports any number of categories.
  • Categories are hierarchical.
  • Allows you to give more descriptive names to your categories.

• Responses
  • Supports comments, trackbacks, or pingbacks per entry.
  • E-mails the blog owner when a new response is received.
  • Supports the following per entry:
    • Disabling responses.
    • Throttling so that a response can only be left from a given IP address every so often.
    • Moderation of responses to require approval of the blog owner before they are shown.
    • Banning of IP addresses from leaving responses.
  • Support for the Comment API.

• Plugins and Event/Listeners
  • Ships with over 50 plugins.
  • Allows you to extend the capabilities of blojsom by developing your own plugins using the plugin API.
  • Components can send and receive events using the event and listener API.

• Syndication Formats
  • Generates HTML, RDF, RSS 0.92, RSS 2.0, RSS 2.0 (with comments and trackbacks) and Atom syndication feeds.
  • Generates content in any other format through its flavor support.
  • Output a feed in any format for all categories, for a specific category, or a subset of your blog's categories.

• Templates and Themes
  • Dispatchers available for you to develop templates using JSP, Velocity, FreeMarker, or Groovy.
  • Allows you to change the look and feel of your blog quickly through the use of themes.
  • Template administration (adding, editing, and deleting) through the web.

• Remote Editing
  • Supports XML-RPC blogging clients.
  • Supports the Blogger API, MetaWeblog API, and the MovableType API through XML-RPC.

• Internationalization and Localization
  • Designed with internationalization and localization in mind.
  • Uses UTF-8 by default to handle international character sets.
  • Generates localized date and times.
  • Handles calendar localization.
  • Supports localization of its user interface and templates.

• et cetera
  • Allows you and your users to search your blog entries.