Key Highlights 
- Discover the best free email marketing software to grow your business in 2025.
- Compare the top email marketing services with free plans.
- Find tools with automation, templates, analytics, and integrations.
- Learn which free email marketing tools suit your needs.
- Ideal for small businesses, startups, bloggers, and marketers.
What is Email Marketing Software? 
Email Marketing Software helps businesses send bulk emails, automate campaigns, and track performance. Whether you’re a startup or an established brand, using email marketing services can help you engage your audience, boost conversions, and nurture leads.
The best part? Many of these tools offer free email marketing software plans, making them accessible to everyone!
Best Free Email Marketing Software & Services in 2025
| Email Marketing Software | Free Plan | Best For | Key Features |
|---|---|---|---|
| Mailchimp | 500 subscribers & 1,000 emails/month | Best Overall | Drag-and-drop editor, Templates, Basic automation, A/B testing |
| Brevo (formerly Sendinblue) | Unlimited subscribers & 300 emails/day | Best for Automation | Advanced automation, CRM integration, SMS marketing, Custom workflows |
| MailerLite | 1,000 subscribers & 12,000 emails/month | Best for Simplicity | Drag-and-drop editor, Landing pages, Email automation, Analytics |
| ConvertKit | 1,000 subscribers | Best for Content Creators | Tag-based management, Automation, Custom landing pages, High deliverability |
| Moosend | 1,000 subscribers & unlimited emails | Best for Affordable Scaling | Advanced automation, AI analytics, E-commerce integrations, List segmentation |
| Benchmark Email | 500 subscribers & 3,500 emails/month | Best for Easy Email Design | Drag-and-drop editor, A/B testing, List segmentation, Responsive templates |
| HubSpot Email Marketing | 2,000 emails/month | Best for CRM Integration | CRM integration, Automated email sequences, Personalization, Analytics |
| Sender | 2,500 subscribers & 15,000 emails/month | Best for High Deliverability | High email deliverability, Smart automation, Personalization, Free templates |
Best Free Email Marketing Software & Services in 2025
1. Mailchimp – Best Overall Free Email Marketing Software 
Free Plan: Up to 500 subscribers & 1,000 emails/month
Key Features:
- Drag-and-drop email builder
- Pre-designed templates
- Basic automation
- Audience segmentation
- A/B testing
Why Choose Mailchimp? Mailchimp is one of the most popular email marketing services, offering an intuitive interface and essential automation for small businesses.
2. Brevo (formerly Sendinblue) – Best for Automation 
Free Plan: Unlimited subscribers & 300 emails/day
Key Features:
- Advanced automation
- Transactional emails
- SMS marketing
- CRM integration
- Customizable workflows
Why Choose Brevo? If automation is your priority, Brevo is a fantastic email marketing software with advanced workflow customization.
3. MailerLite – Best for Simplicity & Ease of Use 
Free Plan: 1,000 subscribers & 12,000 emails/month
Key Features:
- Drag-and-drop editor
- Landing pages & pop-ups
- Email automation
- Built-in analytics
- A/B testing
Why Choose MailerLite? Perfect for beginners looking for free email marketing software with a clean and simple interface.
4. ConvertKit – Best for Content Creators 
Free Plan: 1,000 subscribers
Key Features:
- Tag-based subscriber management
- Email automation & sequences
- Custom landing pages
- E-commerce & membership support
- High deliverability
Why Choose ConvertKit? Best suited for bloggers, content creators, and entrepreneurs who need email marketing services that cater to personal branding.
5. Moosend – Best for Affordable Scaling
Free Plan: 1,000 subscribers & unlimited emails
Key Features:
- Advanced automation
- AI-powered analytics
- E-commerce integrations
- Responsive email templates
- List segmentation
Why Choose Moosend? Great for small businesses that need a free email marketing software with robust automation features.
6. Benchmark Email – Best for Easy Email Design
Free Plan: 500 subscribers & 3,500 emails/month
Key Features:
- Drag-and-drop editor
- Responsive email templates
- A/B testing
- List segmentation
- Basic automation
Why Choose Benchmark Email? If you need an intuitive email editor with responsive templates, Benchmark Email is a solid choice for email marketing services.
7. HubSpot Email Marketing – Best for CRM Integration
Free Plan: 2,000 emails/month
Key Features:
- Powerful CRM integration
- Automated email sequences
- Drag-and-drop editor
- Personalization & segmentation
- Detailed analytics
Why Choose HubSpot? Ideal for businesses looking to integrate email marketing with a CRM system.
8. Sender – Best for High Deliverability
Free Plan: 2,500 subscribers & 15,000 emails/month
Key Features:
- Drag-and-drop email editor
- Smart automation
- High email deliverability
- Personalization & segmentation
- Free email templates
Why Choose Sender? One of the best free email marketing software options for businesses that prioritize email deliverability.
Which Free Email Marketing Software is Right for You? 
Choosing the right email marketing services depends on your specific needs:
- Best for beginners: MailerLite
- Best for automation: Brevo
- Best for content creators: ConvertKit
- Best for CRM integration: HubSpot
- Best for affordability: Moosend
- Best for high deliverability: Sender
No matter which platform you choose, these free email marketing software options can help you build and engage your audience effectively in 2025.
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