Email sending for apps

Sending an app's own emails, like sign-ups and password resets.

1open alternative 1does the whole job

Replaces

Mailgun SendGrid

Open alternatives1

Open-source apps that replace Mailgun and SendGrid

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Postal

17kActiveMITRuns on your own server

Postal is a mail server that websites use to send and receive email, such as signup confirmations and newsletters. It is for people who want to run their own email sending service on their own servers instead of paying a hosted provider.

Runs on your own server · GitHub

What's missing

What people still miss here, and wish existed. Upvote what matters to you.

Developer & business board

Before you build

Planning something for email sending for apps? See what exists first, so you can reuse parts or explain what's different. Paste this into any AI assistant:

Read the list of open-source alternatives at https://opensourceeverything.org/data/groups/email-sending.json. Compare it with my project or idea below. Tell me which projects overlap, what I could reuse instead of rewriting, and what mine does that none of them do. My project or idea:

Download the list

Fix the list itself

A project or closed app missing from this list, or a mistake on it? These open a short form on GitHub, and a mod reviews it. To say what a project can't do, use What's missing.

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About this page

Replaces fully means it does the main job of these apps; Replaces partly means it covers some of it.

Licenses: every project here uses an open-source license (what each one means). Open core means some parts are paid or under another license.

GitHub stars are shown for reference. They measure popularity, not whether it replaces anything.

Verified means r/TrueOpenSource mods checked it: open-source license, maintained, and it really does the job.

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