Bitrix24 is a free CRM with project, task and document management. Think of it as ‘Salesforce plus Dropox plus Basecamp plus Skype’
in one and totally free for 12 users with unlimited contact, invoices, projects (workgroups) and tasks. Another important advantage is that Bitrix24 is available both in cloud and on
premise (with open source code access). 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.