Consider keyword phrases that are distantly related to your industry and competitive are on web. Web is full of bad spellers, and they're certainly to use this misspelled keywords, take advantage of that by including these misspelled version as on of your keywords.

If your services are region specific then concentrate on keywords and phrases that are relevant to that particular region, it may be a country, city, or area of that particular city. People in different area express words differently capitalize on this to get maximum advantage of your keywords and phrases.

Stop using “Stop Words” these are common words that are often totally ignored by search engines. Don't use inappropriate keywords. If you have a particular keyword or phrase in your met tag or web page which is not relevant to content of your website, certain search engines could find yourself banned for those engines altogether.

InstaBlog http://instablog.hit.bg/

InstaBlog appeared as a result of two things: responding to simplest possible way to maintain a weblog, and trying out extremely cool Perl MSN IM client. InstaBlog functions in following manner: it is run as a background process on a machine with Internet access. With its own Passport identification it is constantly logged into MSN instant messenger service.

OpenJournal http://www.grohol.com/downloads/oj/ OpenJournal is a completely Web-based interface. The software’s features include: automated file creation; automated index updating; editing of all files through a Web-based interface; entries with or without titles and time posted; automated archiving based on a weekly or monthly format. All done through ordinary text files and no additional perl modules are needed to run it. Basically, software allows users to keep an online journal, customize and configure it. All needed to do after installation is to write in it from time to time.

BlogBack http://www.tecknik.net/blogback/ Comment system that does not require server installation.

Enetation http://www.enetation.co.uk/index.php? Free hosted commenting system

BloggerBot http://www.fibiger.org/bloggerbot/ AIM client for Blogger.

dotcomments http://www.foreword.net/ Free PHP-based comment system for use on Blogger-backed and other weblogs.