Self-hosting email is simultaneously the hardest it's ever been (delivery) and the easiest it's ever been (setup).

This page summarizes the projects mentioned and recommended in the original post on /r/opensource

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
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InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
www.influxdata.com
featured
  • Haraka

    A fast, highly extensible, and event driven SMTP server

  • Having another SMTP as a choice is cool but not as fun as something that is way more configurable (ex. Haraka), or API driven (a la Postal).

  • Postal

    📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

  • Having another SMTP as a choice is cool but not as fun as something that is way more configurable (ex. Haraka), or API driven (a la Postal).

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

    SurveyJS logo
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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