Zoho is now integrating with Google Apps (see sources) as of December 2009 so that is an option to Salesforce.com. The Customer Relationship Management (CRM) page has references to reviews that include SugarCRM. Aside from Zoho and Salesforce.Com there doesn't seem to be any others showing up on Google Search.
Some questionable ones did show up (but not included) because it wasn't clear what they meant by synchronization or integration with Google Apps.
Check out borneosoft.com It offers Free Edition for 2 users with 100MB storage each. It has Contact, Calendar and Sales Management. It recently launches Blog for users to post ideas, product updates, etc.It's essential in today's social networking.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.