Assembly Line

useSend

Open source alternative to Resend, Sendgrid, Postmark etc.

useSend is an open-source email sending and templating project on GitHub under the AGPL-3.0 license (network copyleft), with 4.8k stars. It is built with TypeScript. Its last push was 3 days ago.

Stars
4.8k
License
AGPL-3.0
Activity
Active
Latest release
v1.10.0

Code on GitHub Website

Judgement

What it is
Complete system
What it does
An email platform for transactional and marketing email that sends through Amazon SES, with an API, SMTP, dashboards and contact lists.
Adopt it when
You want Resend or Postmark convenience at SES prices, hosted or self-hosted.
Watch out
Depends on an AWS SES account and its sending limits, and the project is young under AGPL.
Ready for
Usable
Runs as
Self-hosted server and cloud service
Built with
TypeScript, Next.js, PostgreSQL and Amazon SES
How established
Established: started 2 years ago, latest release v1.10.0.
What the license allows
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare useSend

Built from

Follow it down: useSend → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.