Skip to content
ToolGPA

Amazon SES alternatives · Email Sending

Open-source alternatives to Amazon SES

Amazon SES is not described as open source on its own site. 8 of the 50 other email sending services in this directory are open source, according to their own sites.

Amazon SES is a paid product with a free trial. All of them are free or have a free plan.

8 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from Amazon SES

  1. FluentSMTP

    Free WordPress plugin for sending site email through your provider

    • FluentSMTP has a free plan. Amazon SES does not, though it has a free trial.
    • FluentSMTP is open source, according to its own site.
    • FluentSMTP also covers reports.
    • Amazon SES also covers email verification.
    FluentSMTP vs Amazon SESFluentSMTP pricing and details

  2. Hyvor Relay

    Open-source email API you can self-host

    • Hyvor Relay has a free plan. Amazon SES does not, though it has a free trial.
    • Hyvor Relay is open source and self-hostable, according to its own site.
    • Amazon SES also covers email verification.
    Hyvor Relay vs Amazon SESHyvor Relay pricing and details

  3. Plunk

    Open-source email platform for transactional and marketing mail

    • Plunk has a free plan. Amazon SES does not, though it has a free trial.
    • Plunk is open source and self-hostable, according to its own site.
    • Plunk also covers workflow automation and email campaigns.
    • Amazon SES also covers email verification.
    Plunk vs Amazon SESPlunk pricing and details

  4. useSend

    Open-source email sender built on Amazon SES

    • useSend has a free plan. Amazon SES does not, though it has a free trial.
    • useSend is open source and self-hostable, according to its own site.
    • useSend also covers email campaigns.
    • Amazon SES also covers email verification.
    useSend pricing and details

  5. Novu

    Open-source notification infrastructure for apps and agents

    • Novu has a free plan. Amazon SES does not, though it has a free trial.
    • Novu is open source, according to its own site.
    • Novu also covers workflow automation.
    • Amazon SES also covers email verification.
    Novu pricing and details

  6. Nodemailer

    Free Node.js library for sending email over SMTP and other transports

    • Nodemailer has a free plan. Amazon SES does not, though it has a free trial.
    • Nodemailer is open source, according to its own site.
    • Amazon SES also covers email verification.
    Nodemailer pricing and details

  7. KumoMTA

    Open-source mail server for high-volume, self-run email sending

    • KumoMTA has a free plan. Amazon SES does not, though it has a free trial.
    • Only KumoMTA lists a Linux app.
    • Only Amazon SES lists a web app.
    • KumoMTA is open source and self-hostable, according to its own site.
    KumoMTA pricing and details

  8. Forward Email

    Open-source email forwarding and hosting for custom domains

    • Forward Email has a free plan. Amazon SES does not, though it has a free trial.
    • Only Forward Email lists macOS, Windows, Linux, iOS and Android apps.
    • Forward Email is open source and self-hostable, according to its own site.
    • Amazon SES also covers email verification and transactional email.
    Forward Email pricing and details

Common questions

Is there an open-source alternative to Amazon SES?

Yes. FluentSMTP, Hyvor Relay, Plunk, useSend, Novu, Nodemailer, KumoMTA and Forward Email are open source, according to their own sites.

Is Amazon SES open source?

Amazon SES is not described as open source on its own site. The listing was checked on Oct 18, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Amazon SES: the alternatives its listing names first, then the tools that share the most features with it.