I started using Nimble which is still in beta and thus far think it is great for managing contacts without all the busy work associated with some CRMs. It is a

I started using Nimble which is still in beta and thus far think it is great for managing contacts without all the busy work associated with some CRMs. It is a social CRM so you are able to get an overview of the contacts social activity as well see an integrated inbox of social and email correspondence.