When comparing mattermost client vs ScudCloud, the Slant community recommends ScudCloud for most people. In the question“What are the best Slack clients for Linux?” ScudCloud is ranked 4th while mattermost client is ranked 5th. The most important reason people chose ScudCloud is:
ScudCloud has packages for Ubuntu, Kubuntu, Mint, Debian, Arch, Fedora and OpenSUSE.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Cross platform
Pro Open source
Pro Interoperable
Pro Has packages for popular distributions
ScudCloud has packages for Ubuntu, Kubuntu, Mint, Debian, Arch, Fedora and OpenSUSE.
Pro Free and open source
It's free and open source, released under the MIT License.
Pro Native notifications
Pro Channel quicklist for Unity
Ubuntu Unity's dock menu (accessed via right-click on icon) allows quickly switching to the needed channel.
Pro Icon badges
Count of undread notifications will be overlayed over the launcher icon.
Pro Lightweight
Installation alone was less than 1MB.
Pro HiDPI Support
Cons
Con is not a slack client
Con Uses electron
Con Outdated
Maintenance for this project has diminished, with the native client offering a better experience.
Con Pointless
Uses QtWebkit under the hood, which makes it have no benefit over the official application.
Con Has become fairly heavy
Recent versions experience significantly higher memory usage over time.