1. HubSpot: HubSpot is a comprehensive marketing automation software that provides tools for email marketing, lead generation, social media management, and analytics. It also offers a CRM platform to manage customer relationships.

2. Marketo: Marketo is a popular marketing automation software that provides tools for lead management, email marketing, and analytics. It also offers integrations with popular CRM platforms like Salesforce.

3. Pardot: Pardot is a marketing automation software designed specifically for B2B companies. It provides tools for lead management, email marketing, and analytics. It also offers integrations with popular CRM platforms like Salesforce.

4. ActiveCampaign: ActiveCampaign is a marketing automation software that provides tools for email marketing, CRM, and sales automation. It also offers integrations with popular e-commerce platforms like Shopify and WooCommerce.

5. Eloqua: Eloqua is a marketing automation software that provides tools for lead management, email marketing, and analytics. It also offers integrations with popular CRM platforms like Salesforce and Microsoft Dynamics.