Cirrus Quick Links is an administrator productivity tool that provides easy access to some of the administration areas within Salesforce.com that you use most.
Wizard interface for creating data loader config files to run from the command line. Thanks to Ezra Kenigsberg for posting this on his blog.
Automates process of migrating from existing applications to Force.com, including Lotus Notes and Excel spreadsheets
Automatically reads metadata and configures new objects on Force.com
Great for CRM and non-CRM applications alike
Check out which objects and fields are being used.
See what percentage of records are populated with data for each field
Store results of your findings and trend changes over time
Force.com Explorer - This handy tool lets you browse your database schema, custom objects and fields, and build and test SOQL queries. It can also generate a simple schema report.
Merge even the largest Chatter Groups together, preserving membership, posts, comments, and likes
Easily copy a Chatter Group, preserving membership and (optionally) posts/comments/likes
Mass add users from any source Group, role, or profile into any destination Group
Notepad ++ - Beefed up free text editor.