
Slack
Rocket.Chat
Discord
Element.io
Telegram
Zulip
Microsoft Teams
Mattermost is an open source alternative to Slack.

Greenshot
Snipping Tool
MWSnap
FastStone Capture
PicPick
LightShot
Snagit
Shutter is a feature-rich screenshot program.

Which is more popular?
Based on our record, Mattermost seems to be a lot more popular than Shutter. While we know about 75 links to Mattermost, we've tracked only 7 mentions of Shutter.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mattermost.com | shutter-project.org |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Mattermost is recommended for organizations that prioritize data privacy and security, need extensive customization options, or are looking to integrate a collaboration tool into existing systems. It is also suitable for teams in regulated industries requiring on-premises solutions.
Overall verdict
Why this product is good
Recommended for
Shutter is recommended for users who need a versatile screenshot tool with editing capabilities, especially those creating tutorials, guides, or any visual content that requires annotations. It's also suitable for those who prefer an open-source solution available on Linux platforms.
Walkthroughs and reviews on video.
Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
More videos
Shutter - Modern Horror Season Review | GizmoCh
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mattermost and Shutter. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Mattermost is an open-source platform that enables safe collaboration in self-hosted chat programs featuring file sharing, search, and integrations; groups and businesses can use it as an internal chat.
Mattermost uses monolithic architecture, which is tightly coupled and complex to understand. It restricts the scalability of the collaboration tool, which is a limitation for growing businesses. In that case,...
Below is a curated list of the 12 best self-hosted messaging apps like MirrorFly, Mattermost, Zulio, Nextcloud, and Rocket.chat that offer unique collaboration features and lets you take full control of your data.
Hey, Ubuntu /Linux users! Have we got an app for you! Shutter swings in to attempt to help you capture your computer screen. If you’re looking for a simple Linux screenshot tool , this could be it.
Recommendations tracked on public social media and blogs since March 2021.


The amazing thing is that there is almost always an open-source alternative that is 10x better in many ways, in the case of slack https://mattermost.com/ I'm looking forward for AI to make it very easy to deploy your own tools and walk... - Source: Hacker News / about 1 month ago
How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / 4 months ago
Slack's value is real, especially for cross-company conversations with clients and vendors. But for internal communication in companies that care about data residency or audit requirements, Mattermost is a credible self-hosted... - Source: dev.to / 6 months ago
Hey I use "shutter" https://shutter-project.org/ which has a nice blur option. Source: over 3 years ago
I also used Flameshot and Shutter. Shutter was very feature rich, and I think it's the closest in terms of having the same workflow actions as ShareX -- I don't think it fully supports Wayland yet though and has a TON of dependencies.... Source: over 3 years ago
Maybe look into Shutter but it can only screenshot scrolling webpages no any other windows. Source: over 3 years ago
When comparing Mattermost and Shutter, you can also consider the following products.


Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Compare Greenshot to Mattermost or Shutter:

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Compare Rocket.Chat to Mattermost or Shutter:

Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image
Compare Snipping Tool to Mattermost or Shutter:

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Compare Discord to Mattermost or Shutter:

MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.
Compare MWSnap to Mattermost or Shutter: