Top 8 Open-Source Alternatives to Nylas Mail Lives

Product categories

Calendar Developer Tools Email Email Clients Email Marketing Enterprise Communication Group Chat & Notifications Hosted Email Messaging Productivity REST API SMTP Server

Summary

The top open-source alternatives to Nylas Mail Lives are Mailspring, Nextcloud Mail, and Tutanota. 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
Tutanota Landing Page
3

Tutanota

Get your encrypted mailbox for free.
Pricing:
- Open Source
#Email #Email Clients #Enterprise Communication 177 social mentions
EmailEngine App Landing Page
4

EmailEngine App

EmailEngine is an email client but for apps, not people. It connects to the user's email server, translates REST API requests from the app to IMAP and SMTP commands, and sends webhooks for changes like new or deleted emails.
Pricing:
- Open Source
- Paid
- Free Trial
- €795.0 / Annually (Unlimited self hosted instances)
#Developer Tools #Email #REST API 13 social mentions
Spark Mail Landing Page
5

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
Roundcube Landing Page
6

Roundcube

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

Wavebox

The powerful productivity browser like no other, multi-account sign-in, tab sleeping, groups & pins
Pricing:
- Open Source
- Freemium
- Free Trial
- $8.32 / Monthly
#Messaging #Enterprise Communication #Productivity 16 social mentions
FairEmail Landing Page
8

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Email Clients #Calendar 52 social mentions