Roboform password management - this plugin for Chrome allows you to store your passwords in one location, allowing login to all your services from anywhere.
Clean up your Twitter account, by finding those who rarely tweet, who have no profile picture, who don't engage or respond, who over-promote themselves - allows for better relationships and likelihood of engaging new business/relationships
Mailchimp is an email newsletter and email marketing tool - free up to 2,000 list subscribers - and allows autoresponders to be set up. It also offers great analytics on views, clickthroughs, etc. and integrates with Highrise CRM and a variety of other tools. Great email template designs, too.