Top 10 Open-Source Alternatives to Missive

Product categories

Anti-Spam Calendar Chat Support Chatbot Platforms & Tools Chatbots Chrome Extensions Customer Support Email Email Clients Enterprise Communication Help Desk Support

Summary

The top open-source alternatives to Missive are Spark Mail, FairEmail, and ChatWoot. 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.

Spark Mail Landing Page
1

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
FairEmail Landing Page
2

FairEmail

Open source, privacy friendly email app
Pricing:
- Open Source
#Email #Email Clients #Calendar 52 social mentions
ChatWoot Landing Page
3

ChatWoot

Open-source omnichannel customer engagement platform
Pricing:
- Open Source
- Freemium
- $19.0 / Monthly (per agent)
#Customer Support #Live Chat #Support 5 social mentions
FreeScout Landing Page
4

FreeScout

Free open source Zendesk & Help Scout alternative: help desk, shared mailbox, email management...
Pricing:
- Open Source
#Help Desk #Customer Support #Customer Service 12 social mentions
Gmvault Landing Page
5

Gmvault

Backup the emails in your Gmail account.
Pricing:
- Open Source
#Email Management #Email #Monitoring Tools 9 social mentions
Helpy.io Landing Page
6

Helpy.io

Helpy is a tightly integrated customer support platform that combines ticketing, knowledge base, community and AI support chat.
Pricing:
- Open Source
#Help Desk #Help Desk And Ticketing #Chatbots 2 social mentions
SpamAssassin Landing Page
7

SpamAssassin

Use this program to "Unspam" your mailbox(es).
Pricing:
- Open Source
#Email Security #Email #Cyber Security 4 social mentions
Mailspring Landing Page
8

Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
Pricing:
- Open Source
#Email #Email Clients #Calendar 25 social mentions
Mail-in-a-box Landing Page
9

Mail-in-a-box

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 115 social mentions
AsyncGo Landing Page
10

AsyncGo

Make better decisions, build alignment, and deliver outsized outcomes. AsyncGo helps your team focus by minimizing chat and meeting interruptions.
Pricing:
- Open Source
#Team Collaboration #Productivity #Enterprise Communication 4 social mentions