Bitrix24 is absolutely the best free CRM for freelancers. First, all CRM records are free and unlimited.
Second, our CRM comes with both quotes and invoices, which are essential for freelancers. Third, Bitrix24 comes with file storage and sharing, which is essential for
collaboration. Finally, you can connect external users, typically clients, via extranet and give them limited access to your Bitrix24 account. Register now or check out
videos and CRM manual for quick start.
Bitrix24 CRM manual is available here.
If you are interested in buying self hosted editions of Bitrix24, which come with API, CMS and source code, and can be easily customized
and integrated with other tools, please download trial version here.