EspoCRM offers a basic CRM with the following modules and features for $45/month for 3 users:
Sales Automation
- 
- Leads Converting lead to opportunity/account/contact
 - Opportunities Potential sales in CRM
 - Accounts Account is a central record in a B2B model
 - Contacts Contact can be related to multiple accounts with specific roles and relationships
 
 
Calendar
Emails
Notes & Tracking
- 
- Activity Stream updates to records
 - Follow Records for changes
 
 
Customer Support
Documents
Misc
- 
- Maps Based on address fields
 - Dynamic Forms
 - Calculated Fields
 - Data Privacy Management
 - Kanban Boards
 - Export to Excel
 - Export to CSV
 - Printing to PDF
 
 
Marketing Automation
Customization
- Layout Manager Change detail and list views
 - Entity Manager Create custom entities, fields, and relationships
 - Label Manager Customize labels
 - Extensions Install extensions