Theme · updated weekly

Open Source in Marketing Automation — SaaS tools & trends 2026

3 products Sparkpulse tracks are shipping around open source in Marketing Automation. The highest-velocity open source products right now are Mailtrap, Keila and Dittofeed (ranked by Sparkpulse's velocity score). The theme runs across 17 sectors, so the momentum you see here is drawn from products competing in different corners of the market. Their velocity scores span 0.0 to 7.5 out of 10, a spread that shows how unevenly shipping cadence is distributed across the field. Below: every tracked product carrying this theme, updated from release data. Everything on this page is regenerated from verified release data, so the ranking reflects the latest changelogs rather than a static list.

Scoped to Marketing Automation. View open source across all sectors →

Products shipping around open source

#01MailtrapMailtrap is assembling a full email operations platform, one category step at a time7.5alternatives →

#02KeilaKeila adds transactional emails and multi-format templates, broadening past pure newsletters6.3alternatives →

#03DittofeedOpen-source Braze alternative grinding through a slow alpha, now stalled0.0alternatives →

Frequently asked questions about open source

Which SaaS tools ship open source in Marketing Automation in 2026?

Mailtrap, Keila, Dittofeed — the open source products Sparkpulse tracks in Marketing Automation, ranked by shipping velocity from verified changelogs.

Which open source product has the highest shipping velocity?

Mailtrap, with the top velocity score (7.5/10) in Marketing Automation — Sparkpulse's velocity score is derived from verified release data.

How many products are shipping around open source?

Sparkpulse currently tracks 3 products carrying the open source theme in Marketing Automation, updated continuously from verified release data.