Plunk
70 · StableEmail platform for SaaS products that combines transactional email, campaigns and automations on top of Amazon SES.
Open source alternatives to Loops
2 open source projects replace Loops, ranked by how safe each is to depend on.
Dittofeed
61 · StableCustomer engagement platform for automated email, SMS and push journeys.
Source-available and unverified licenses
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Notifuse
68 · StableNewsletter, email marketing and transactional email platform with a visual MJML editor and several sending providers.
At a glance
Health and license are separate verdicts: a project can be well maintained and still not be open source.
| Project | Health | License | Stars |
|---|---|---|---|
| Plunk | 70 · Stable | Free, share hosted changesAGPL-3.0 | 5.5k |
| Dittofeed | 61 · Stable | Free to useMIT | 3.0k |
| Notifuse | 68 · Stable | Free core, paid extrasBusiness Source License 1.1 | 2.2k |
More in Email marketing
Loops is a paid email marketing product. See all open source email marketing tools, ranked the same way.
Scores last refreshed from GitHub on 9 October 2026. How we score.