Free? Well, not exactly.
Not sure how many users love giving away money in this day and age for this kind of software. In terms of SpinOffice CRM, you still need to pay $300 to get the full version (i.e. it is crippleware for the free version), and have to pay again next year, and the year after, and so on, That is crazy! And it is not even priced like a cloud-based subscription Adobe software, which is much lower than the full outright ownership option. Speaking of cloud-based things, I hope this isn't one of them. Software of this nature that keeps sensitive personal data should be stored only on your own machines, not someone else's. Seriously, is the developer from the CIA or NSA and keen to look at all your contacts?
If you really want something decent for a CRM (and looks attractive too) and don't have to pay anything for a full version (at least for the contacts, calendar, to do, labels, create invoices, send emails, organize your documents, and all the rest needed for a CRM), and never have to pay again, you would be hard pressed to go past SUNRISE Contacts 2016 at http://www.sunrisepage.com/contacts/files/sunrisecontacts2016.dmg. MacUpdate is afraid to offer this software on its web site. I can understand why. It is good. And it is independent of Apple and other big companies, and doesn't attempt to be more than it isn't. Nice software. Of course, if you want more, you can always pay a reasonable cost to have extra databases added to your contacts system (and help support those developers to do more things for you). But at the end of the day, you pay nothing, nil, zilch, nada, for the core CRM. I like it.
Of course, if you like giving away your money, I can't recommend more highly SpinOffice CRM. It is absolutely brilliant at what it does (grab your mone...er, I mean storing your contacts etc)!
Rating I give shows this software is okay and works as advertised, and should serve you well for the price.