HubSpot CRM Free offers contact management, deal tracking, and email integration with built-in AI features. Its AI scores leads and suggests optimal send times. Small businesses use it as a free entry point to CRM.

Sendinblue is an all-in-one marketing platform with CRM, email marketing, and conversational AI features for automated customer engagement.

NetSuite CRM is an enterprise cloud CRM with AI-driven lead scoring, opportunity management, and customer service automation. It is deeply integrated with NetSuite ERP for unified customer data across sales, finance, and support teams.

Google Workspace CRM integrates Gmail, Calendar, and Meet with AI-powered contact management and sales tracking for small teams using Google's ecosystem.

Vtiger is an all-in-one CRM with AI-powered lead scoring, email marketing, and customer support for growing businesses.

Insightly is a CRM and project management platform with AI-powered lead routing, email tracking, and pipeline analytics. It targets small to mid-size businesses seeking an integrated solution for sales, marketing, and project delivery under one platform.