Self-Hosted Slack Alternatives

Slack is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Mattermost, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Slack and many of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Slack are Element, Zulip, Rocket.Chat and Matrix.org.

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Slack alternatives are mainly Group Chat Apps but may also be Instant Messengers or Encrypted Chat Apps. Other popular filters includes Self-Hosted + Open Source. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Slack.

Slack

851

Group Chat App
Freemium • Proprietary

Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A familiar chat interface facilitates discussions while advanced features are easily exposed based on...

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Slack alternatives page was last updated Jan 24, 2022

Fugu Simple Work Chat
Simple yet powerful open source slack alternative chat platform for teams and organizational communication. Keep your conversations in your control, free from data mining and ads. Safe from prying eyes and secured with encryption.
97 Fugu Simple Work Chat alternatives
License model
- Free • Open Source
Application types
- Group Chat App
- Team Collaboration Tool
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
Fugu Simple Work Chat Features
1. Privacy focused
2. Secure Chat
3. Attendance management
4. Omnichannel messaging
5. Microsoft Teams Integration
6. Team Messaging
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Fugu Simple Work Chat VS Slack
Is this a good alternative to Slack?

Glowing Bear
Glowing Bear is a sleek, modern web frontend that securely connects to a running instance of WeeChat using its built-in relay protocol. It relies on WeeChat to do all the heavy lifting and then provides some nice features on top of that, like...
45 Glowing Bear alternatives
License model
- Free • Open Source
Application type
- IRC Client
Platforms
- Online
- Self-Hosted
- Google Chrome
- WeeChat
Glowing Bear Features
Web-Based
IRC
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Glowing Bear VS Slack
Is Glowing Bear a good alternative to Slack?

WorkLand
WorkLand is a metaverse for tech teams. Team members can gather in WorkLand, manage projects, track tasks and get work done. WorkLand also features a break room.
31 WorkLand alternatives
License model
- Free • Open Source
Application types
- Team Collaboration Tool
- Group Chat App
Platforms
- Online
- Self-Hosted
WorkLand Features
Video Conferencing
Remote Work
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+2
WorkLand VS Slack
Is WorkLand a good alternative to Slack?

ArrowChat
ArrowChat is a self-hosted live chat software based on PHP script and jQuery. It is placed at the bottom of your website similar to Facebook Messenger . The chat integrates right into your existing website using your existing usernames...
44 ArrowChat alternatives
License model
- Paid • Open Source
Platforms
- Online
- Android
- iPhone
- Self-Hosted
ArrowChat Features
1. WordPress Integration
2. Embeddable
3. Multiple languages
4. Voice Chat
5. BuddyPress Integration
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ArrowChat VS Slack
Is ArrowChat a good alternative to Slack?

Braid Chat
Braid is a new kind of group collaboration tool, designed for teams that hate interruptions and just want to get shit done.

Say goodbye to chatrooms, and say hello to Braid!.
13 Braid Chat alternatives
License model
- Free • Open Source
Platforms
- Online
- Self-Hosted
Braid Chat VS Slack
Is Braid Chat a good alternative to Slack?

Virola Messenger
Secure self-hosted or cloud corporate messenger with private and group chat rooms, file transfer and storage, voice and video meetings, issue tracking and screen sharing.
26 Virola Messenger alternatives
License model
- Free • Proprietary
Application types
- Team Collaboration Tool
- Group Chat App
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
+2
Top Virola Messenger Features
1. Unlimited storage
2. VoiP Calls
3. Scrum Boards
4. Dark Mode
5. Support for @mentions
6. Kanban Board
7. Screen Sharing
8. Cloud Sync
9. Voice Chat
10. File Hosting
11. Threaded Conversations
12. Task Tracking
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Virola Messenger VS Slack
Is Virola Messenger a good alternative to Slack?

MyChat
MyChat is an instant messenger that works in LAN and over the Internet. Reliable in slow connections. Do not require too many system resources. The program has its own server where a user control everything happening in the chat.
41 MyChat alternatives
License model
- Freemium • Proprietary
Application types
- Group Chat App
- Instant Messenger
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
+5
Top MyChat Features
1. Screen Sharing
2. Encrypted Backup
3. Works Offline
4. Privacy focused
5. Ad-free
6. Real time collaboration
7. Kanban Board
8. Portable
9. Spam Filter
10. Lightweight
11. On-premises software
12. Workflow
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MyChat VS Slack
Is MyChat a good alternative to Slack?