Mattermost vs Shout
When comparing Mattermost vs Shout, the Slant community recommends Mattermost for most people. In the question“What are the best open source alternatives to Slack?” Mattermost is ranked 4th while Shout is ranked 6th. The most important reason people chose Mattermost is:
You don't need to rely on someone else's servers, you can host Mattermost on your own server.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can be self-hosted
You don't need to rely on someone else's servers, you can host Mattermost on your own server.
Pro One-line Docker install
With Docker set up, you can install Mattermost with the following command:
docker run --name mattermost-dev -d --publish 8065:80 mattermost/platform
For other cases, installation instructions can be found here.
Pro Similar to Slack
Almost all features of Slack are available in Mattermost.
Pro Free - OpenSource
You can download and use it as free for self-hosted server.
Pro Mobile apps for android and iOS
Pro You can change theme
Pro Desktop app for MacOS, Linux and Windows
Pro Browser notifications
Pro Mark-Down support
Yes, it supports markdown.
Pro Always connected
Unlike most other web IRC clients, Shout will stay connected even when you close the browser. It will allow you to see conversations that happened while you were away.
Cons
Con No easy End-to-End Encryption setup
Con Features not available out of the box
Difficult to setup the many features it offers. The easy docker installation is for the application only, not it's feature sets. Requires a license for full-set of features.
Con Centralized
Con Poorly made iOS app
Built natively using React it suffers from unresponsiveness, input lag, and sometimes broken services. Coupled with a bad user experience.
Con Poorly made Android app
The Android application is just a badly wrapped web-view which does not perform well and has no form of offline caching whatsoever.
Con Self-Hosted
This doesn't work for every type of company. Mainly great for those concerned with privacy, security, compliance and control of your data/information.
Con Lacks searchable history
Con No native apps
It's only available as a webapp.
Con Doesn't manage presence
Users have to manually set away messages or away nicks to notify other users that they are not currently available.
Con Pressing escape will disconnect you
Con Can't send files
You can only share links to files, no way to share files directly between users.
Con This service isn't available.
in the browsers Chrome and Firefox