foux

Publish 2 PingFM allows you to automatically publish your posts to the Ping.fm service. This plugins allows you to : 
* select for witch category you want to publish your posts to ping.fm 
* select a different publishing template for each category 
* select, for each category, if you want to publish posts updates or not 
* select, for each category, a different template for post updates than for initial publishing 
* shorten posts URL using bit.ly shortening service

Publish 2 Ping.fm

Publish new post or post update notifications to Ping.fm. You can share you're blog with 30+ social services.

techphernalia

This plugin helps your SEO by adding meta keywords tag to each page, post, archive (category, tag, date, day and year). 
Now it also allows you to specify common keywords to be included on every web page. Plugin from one of the best coder <a href="https://www.techphernalia.com/" rel="nofollow ugc">Durgesh Chaudhary</a>. 
For any support just leave your question at our <a href="https://www.techphernalia.com/meta-keywords-generator/" rel="nofollow ugc">Meta Keywords Generator</a> page.
Uses Title, Description, Categories, tags, Compulsary keywords (provided by you in setting) for keywords generation. Uses content after striping short codes and short tags for generation of description.
Reduces manual work of adding them manually.
Now more efficient by allowing you to add one time master keyword list.
A big Thanks to Omer Barlas for suggesting to change text box to textarea for better readability.

Meta Keywords Generator

Adds Meta keywords and Description to each and every page, post, archive.

Publish 2 Ping.fm vs Meta Keywords Generator