Post Wordpress? Habari

http://skippy.net/spread-the-news

Digital signatures, signatures etc.

Adobe EchoSign

*EchoSign is a 100% web-based solution that gets documents signed, tracked, and filed in one easy step, shaving out days of the signing process.
Deals and orders can happen faster since new contracts can be signed with a few clicks
Documents stay secure and compliant with full signature controls and a complete audit history
Auto reminders and alerts help make sure no one forgets to sign

SEO tools

Web CEO is a good tool, but it appears they no longer offer the free version, only a trial:

http://www.webceo.com/

Here is the one I use, it is cheap and works pretty well. Web CEO is more robust, but almost too much info.

http://www.ragesw.com/products/search-engine-rank.html

this one is really worth checking out(above) - tells you the rank in multiple search engines for keywords

Use this software with the SERank software for page rank and link back details:

http://www.ragesw.com/products/domainer.html

That same company offers some interesting software:

http://www.ragesw.com/products.php

stats for web sites

http://www.google.com/analytics/

Google trends

http://www.google.com/trends

what are people searching for from where?

like google places but for Bing

http://www.bing.com/businessportal/

fill in the info then send this to your clients:

I just need the pin number  -- To get you listed in Bing online listings I need this info. Please read below.

 A letter containing a PIN will be mailed to your business location
If you have staff working at this address, be sure to let them know
that you're expecting mail from
the Bing Business Portal to avoid having your PIN accidently discarded
as junk mail.

Tumblr for SEO

http://www.distilled.net/blog/seo/seo-for-tumblr-blogs/