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6 Best Slack Alternatives on Linux 2021

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In this article, we’ll discuss about the 6 best slack alternatives on Linux machine.

Slack is one of the most popular team communication services for work. Some may call it a glorified IRC but that doesn’t impact its popularity. It is used to organize teams, discuss projects, and communicate with co-workers. Slack has cross-platform support to use it on Windows, Linux, iOS, macOS, and Android.

We’ll discuss 6 Slack Alternatives in this article, which will help you choose one of them.

6 Best Slack Alternatives on Linux 2021

Mattermost

Mattermost is the leading open source collaboration platform with a thriving community. It’s written in Golang and React and runs as a single Linux binary with MySQL or PostgreSQL. Use the features you like, for example, file sharing, real-time group chat, and webhooks, with full access to source code. Mattermost offers the control, privacy, legal compliance, and extensibility top enterprises need

Features of Mattermost:

  • It offers cross-platform support.
  • It is most suitable for enterprise usage.
  • It supports both personal and group chat in real-time.
  • It has both free and premium plans.
  • It supports self-hosting and UX/UI customization.
  • It supports markdown formatting.
  • The matter has an efficient Slack data importing tool to switch from their old application to it easily.

Mattermost Slack Alternatives on Linux

 

Wire

Wire offers the most comprehensive collaboration suite featuring messenger, voice, video, conference calls, file-sharing, and external collaboration – all protected by the most secure end-to-end-encryption. It is indeed a useful open-source solution that focuses on privacy while giving a premium UX for users looking to switch from Slack. Modern day collaboration meets the most advanced security and superior user experience.

You would need to opt for the Enterprise-focused premium plan if you want a custom deployment for Wire. You can try the hosted pro version (Desktop/Mobile) for free up to 30 days but for a private hosting deployment, you need to contact them.

  • Cross-platform
  • No free options (30-day Trial offered)
  • Text, voice and video chats
  • Privacy-focused
  • Self-hosting option available for Enterprise

Wire Slack Alternatives on Linux

 

Zulip

Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones. Zulip has modern apps for every major platform, powered by Electron and React Native. Zulip is 100% open source software, built by a vibrant community of hundreds of developers from all around the world. With 120,000 words of developer documentation, a high quality code base, and a welcoming community, it’s easy to extend or tweak Zulip.

  • Markdown optimized for chat
  • Emoji and emoji reactions
  • Inline image, video, and tweet previews
  • Drag-and-drop file uploads
  • Code and quote blocks
  • Customizable automatic linkification

Zulip Slack Alternatives on Linux

 

Element

Element is a free and open-source software instant messaging client implementing the Matrix protocol. All-in-one secure chat app for teams, friends and organizations. Keeps conversations in your control, safe from data-mining and ads. Talk to everyone through the open global Matrix network, protected by proper end-to-end encryption. Element has various features similar to Slack, such as video & audio calling, emoticons, embedded images & video, individual text channels, and so on.

  • It has cross-platform and self-hosting support.
  • It has both free and paid options for managed hosting.
  • It is built on Matrix and offers decentralized communication.
  • All data of Element is end-to-end encrypted to ensure user privacy.
  • Element support embedded widgets and bots to complete tasks as a team.

Element Slack Alternatives on Linux

 

Flock

Flock is a proprietary messaging and collaboration tool, founded by tech entrepreneur Bhavin Turakhia in 2014. The app is available on Windows, MacOS, Android, iOS and Web. Channels in Flock help streamline decision making and problem-solving. Organize your conversations and manage all your work in channels to hit your business objectives. It is designed for the teams, supporting various features like embedded images, video chat, audio calling, and many more.

  • It has a built-in to-do list, and users can share it with others to accomplish tasks.
  • Users can encrypt the Flock data by TLS 1.2.
  • This tool integrates with multiple services like Github, Trello, Google Drive, etc.
  • Users can get their team members’ input by using the polls option.

Flock Slack Alternatives on Linux

 

Rocket.Chat

Rocket.Chat is also an impressive Slack alternative that you can choose for your work or organization. In fact, we are considering to use it for our internal team communication at It’s FOSS.Using end-to-end encryption with Rocket.Chat is a one-click task as well.

The user interface is quite good and you can choose to customize the look of it by creating your own theme packages. In addition to all the essential features that Slack offers, it also supports video/audio conferencing, which is very important to some. You can host it yourself with limited features for free or opt for premium cloud hosting options.

  • Cross-platform
  • User support helpdesk integration support
  • Real-time translation
  • Audio/Video conferencing
  • Third-party integrations
  • Self-hosting supported
  • Free and paid options available

Rocket.Chat Slack Alternatives on Linux

In this article, we have seen 6 best slack alternatives on Linux machine.

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