Top 12 Open-Source Alternatives to Superhuman

Product categories

AI AI Writing Calendar Email Email Clients Email Delivery Email Marketing Email Marketing Platforms Enterprise Communication Productivity SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Superhuman are Mailspring, Nextcloud Mail, and Spark Mail. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Mailspring Landing Page
1

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Nextcloud Mail Landing Page
2

Nextcloud Mail

💌 Mail app for Nextcloud
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 5 social mentions
Spark Mail Landing Page
3

Spark Mail

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
Pricing:
- Open Source
#Email #Email Clients #Calendar 30 social mentions
Superflows Landing Page
4

Superflows

AI assistant for email productivity
Pricing:
- Open Source
#Email Marketing #AI Writing #Email
Kanmail Landing Page
5

Kanmail

An email client that works like a kanban board.
Pricing:
- Open Source
- Paid
- Free Trial
- $45.0 / One-off (Limited time v1 license)
#Email Clients #Kanban #Productivity 4 social mentions
Roundcube Landing Page
6

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions
iRedMail Landing Page
7

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
Pricing:
- Open Source
#Email #SMTP Server #Self-hosted Email 2 social mentions
Mailtrain Landing Page
8

Mailtrain

Self-hosted open-source Mailchimp clone
Pricing:
- Open Source
#Email Marketing #Newsletter Marketing #Email Marketing Platforms 2 social mentions
Dovecot Landing Page
9

Dovecot

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with...
Pricing:
- Open Source
#Email #SMTP Server #Self-hosted Email
PHPMailer Landing Page
10

PHPMailer

Email sending library for PHP.
Pricing:
- Open Source
#Email Marketing #Email Delivery #Transactional Email
Tutanota Landing Page
11

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
Mailpile Landing Page
12

Mailpile

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Pricing:
- Open Source
#Email #Email Clients #Email Management