Running a small business requires patience, a standout strategy, and an email marketing tool that fits in the budget.
Email marketing is renowned for delivering unmatched ROI, and for small businesses, this is crucial for thriving, competing, and growing. Before investing in a paid tool, startups and small businesses often seek a reliable and free email marketing solution that meets their basic needs.
If you are one of them, this is the right place. In this post, we will talk about some of the best free email marketing tools for small businesses in 2025.
7 Best Free Email Marketing Tools For Small Businesses in 2025
1. MailerLite
MailerLite is ideal for beginners who are looking for automation and a drag-and-drop editing interface. It is a simple yet powerful tool that can be used even by a non-technical person without much difficulty.
If you are new to using an email marketing tool and want your emails to look professional, MailerLite can be a good option. One of the standout features of the free plan of MailerLite is that it includes automation.
What Does it Offer in a Free Plan?
- Up to 1,000 subscribers
- 12,000 emails/month
- Drag-and-drop email builder
- Basic automation
- Landing pages and website builder
2. Brevo (Formerly Sendinblue)
If you are looking for an email marketing tool that also offers SMS and chat integration, you must look for Brevo. This tool has been slowly gaining popularity because of its intuitive and feature-packed interface.
It allows easy integration of SMS into your campaigns or a live chat feature to your website. If you are just starting out and want a minimal daily email limit, Brevo’s free plan can be a good choice.
What Does it Offer in a Free Plan?
- Unlimited contacts
- 300 emails per day
- Customizable email templates
- SMS marketing (pay-as-you-go)
- Live chat integration
3. Mailchimp
Mailchimp is one of the most popular email marketing and automation tools that can help your business grow. If you want an email marketing solution that is reliable and a trusted brand, Mailchimp should be your choice.
The top features of Mailchimp can be best enjoyed with a paid plan however, it still offers a solid free plan that may be ideal for small businesses.
Mailchimp has a user-friendly interface and allows easy integration with other marketing tools. Additionally, it also allows users to try some of its premium features without opening their wallets.
What Does it Offer in a Free Plan?
- Up to 500 contacts
- 1,000 emails per month
- Basic templates
- 1 audience (list)
- Basic reporting and analytics
4. Moonsend
Moonsend is another email marketing and automation platform that small businesses can try for free in 2025. If you want advanced automation and segmentation, this email marketing solution may be the best.
In other platforms like Mailchimp or Brevo, you need a paid plan to use advanced automation and list segmentation, but with Moonsend, you can try these for free. Another noticeable feature of this tool is its intuitive drag-and-drop campaign editor.
What Does it Offer in a Free Plan?
- Unlimited emails
- Up to 1,000 subscribers
- Automation workflows
- Reporting and analytics
- Responsive templates
5. Benchmark Email
Benchmark Email keeps things simple, but effective. Its drag-and-drop editor is ideal for beginners, and the platform doesn’t overwhelm you with too many options right away.
This is an ideal tool for new users who want simplicity and ease of use. Benchmark is praised for providing excellent customer support even if you are using its free plan.
What Does it Offer in a Free Plan?
- Up to 500 subscribers
- 3,500 emails/month
- Basic automation
- Signup forms and landing pages
6. Sender
For small businesses that seek high deliverability in a free plan, Sender is the best choice. This tool is known for its impressive deliverability rates.
Additionally, Sender is a fast, reliable, and easy-to-use email marketing platform, even for those who are using such a platform for the first time.
Above all, it also provides analytics that help you track your campaign’s performance and optimize it accordingly.
What Does it Offer in a Free Plan?
- Up to 2,500 subscribers
- 15,000 emails/month
- Advanced automation
- Transactional emails
- Segmentation
7. HubSpot
HubSpot is a platform for businesses that want built-in CRM with email. It helps businesses easily manage contacts and send emails all in one place.
HubSpot is ideal if you are looking to align your sales and marketing efforts without shifting between multiple tools.
What Does it Offer in a Free Plan?
- CRM with unlimited users
- 2,000 emails/month
- Drag-and-drop editor
- Personalization tokens
- Reporting
8. Bonus – Constant Contact
Constant Contact is another email marketing tool that is known for its quality features. It offers more than just email. This tool offers a range of free email marketing templates.
It helps you automatically build a branded template based on your website or Facebook page. Constant Contact is known for offering exceptional customer service and educational resources.
Its free trial plan is for a limited period.
What Does it Offer in a Free Plan?
- Unlimited emails
- Email templates
- Real-time reporting
- Event marketing tools
- Social media integrations
Choosing the Right Tool for You
There’s no one-size-fits-all when it comes to email marketing tools. The right choice really depends on what you need.
If you’re after ease and automation, MailerLite or Moosend are great choices. For those wanting a built-in CRM, HubSpot is hard to beat.
And if you’re focused on multichannel communication, Brevo has the tools to grow with you. Prefer something reliable and familiar? Mailchimp and Constant Contact bring that peace of mind.
Final Thoughts
Email marketing in 2025 is smarter, more personalized, and more accessible than ever. Even if you’re working with a tiny budget, there’s no reason you can’t build powerful campaigns that connect with your audience.
The tools on this list can help you get there without spending a cent—at least to start. Test a few, track your results, and don’t be afraid to evolve as your business grows.
The important thing is to start building those email relationships today.
Your future customers will thank you for it.