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Inbox OSS

Role · Marketers

A workspace built for growth, not engineering

Drag-and-drop builder, real segmentation, A/B testing, automations, and revenue attribution. No code required.

Visual builder

Brand kit, starter templates, undo history, mobile preview.

Smart segments

Live segments that update as data changes. Save and reuse.

Send-time optimization

ML picks the moment each subscriber is most likely to open.

A/B/n testing

Subject lines, content, send times. Auto-promote winners.

Reporting

17 dashboards: opens, clicks, geo, devices, providers, revenue.

Revenue attribution

Tag conversions, see which campaign drove which sale.

Start sending email in under 5 minutes.

Free plan includes 3,000 emails/month forever. No credit card required.