Best Free Email Marketing Tools 2026
The quick version: Sender gives you the most automation for free. Kit lets you keep the biggest list for free. Systeme.io is the best fit if you also sell products.
Sender
Best free plan for small lists that want automation.
- Free Forever plan: up to 2,500 subscribers
- Up to 15,000 emails a month
- Automation, forms, popups and landing pages included
Plain link, not an affiliate link. Plan details from sender.net/pricing, checked November 1, 2026.
Compare the free plans
| Tool | Best for | Free plan limit | Source |
|---|---|---|---|
| Sender (our pick)Our pick | Small lists that want automation | 2,500 subscribers, 15,000 emails/month | Pricing |
| Kit | Big lists, simple newsletters | Up to 10,000 subscribers | Pricing |
| Systeme.io | Selling with funnels or a course | 2,000 contacts, 3 funnels, 1 course | Pricing |
All limits checked on each vendor's pricing page, November 1, 2026.
1. Sender: best overall free plan
Automation, forms, popups and landing pages all come with the free plan. Read our Sender review.
2. Kit: best for a big list
Kit's free plan holds the most subscribers of the three. It suits simple newsletters. See Kit's pricing.
3. Systeme.io: best if you sell
Systeme.io bundles email with funnels and a course on its free plan (systeme.io, affiliate link). See All-in-One Platforms.
How to choose
- Want automation and popups for free? Choose Sender.
- Have a big list and send plain newsletters? Choose Kit.
- Sell courses or products from funnels? Choose Systeme.io.
The Systeme.io link above is an affiliate link. If you sign up through it, we may earn a commission. All other links are plain links. Disclosure.