Top 4 Open-Source Alternatives to Outpost

Outpost

Collaborative email designed for teams.

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Pricing:

Paid
Free Trial
$12.5 / Monthly (Per user. Price reflects annual discount.)
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Top 4 Open-Source Alternatives to Outpost

Product categories

Audio Conferencing Calendar Chat SDK Communication Customer Support Email Email Clients Enterprise Communication Forums Forums And Forum Software Group Chat & Notifications Help Desk

Summary

The top open-source alternatives to Outpost are MirrorFly, Spark Mail, and PHPBack. 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.

MirrorFly Landing Page
1

MirrorFly

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises
Pricing:
- Open Source
- Paid
- Free Trial
#Communication #Chat SDK #Group Chat & Notifications 8 user reviews
Spark Mail Landing Page
2

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
PHPBack Landing Page
3

PHPBack

Open source customer feedback software
Pricing:
- Open Source
#Help Desk #Customer Support #Forums And Forum Software
Trello Landing Page
4

Trello

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Pricing:
- Freemium
- Free Trial
- $12.5 / Monthly (Per user - Business Class)
#Project Management #Task Management #Productivity 231 social mentions