Best Open-Source Alternatives to Marketing Automation Tools

Paying for commercial Marketing Automation software? Here are 28 popular Marketing Automation tools in this category, each mapped to real, actively-maintained open-source alternatives - verified against GitHub, with stars, license, and last-commit data so you can judge project health before switching.

ActiveCampaign

4 open-source alternatives

Benchmark Email

2 open-source alternatives

Braze

3 open-source alternatives

Campaign Monitor

3 open-source alternatives

Constant Contact

2 open-source alternatives

ConvertKit

2 open-source alternatives

Customer.io

2 open-source alternatives

Dotdigital

5 open-source alternatives

Drip

2 open-source alternatives

Emma

4 open-source alternatives

EngageBay

4 open-source alternatives

Iterable

3 open-source alternatives

Keap

3 open-source alternatives

Klaviyo

6 open-source alternatives

Mailchimp

4 open-source alternatives

MailerLite

1 open-source alternative

Mailjet

4 open-source alternatives

Marketo

3 open-source alternatives

Metadata.io

4 open-source alternatives

Mixmax

3 open-source alternatives

Moosend

2 open-source alternatives

Ontraport

3 open-source alternatives

Pardot

2 open-source alternatives

Sender

3 open-source alternatives

SendGrid

5 open-source alternatives

Sendlane

2 open-source alternatives

SharpSpring

2 open-source alternatives

Vero

2 open-source alternatives

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