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 Element. It's not free, so if you're looking for a free alternative, you could try Element or Zulip. If that doesn't suit you, our users have ranked more than 100 alternatives to Slack and loads 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 Rocket.Chat, Matrix, Wire and Twake.
filter to find the best alternatives
Slack alternatives are mainly Group Chat Apps, but if you're looking for Team Collaboration Tools or Instant Messengers you can filter on that. Other popular filters include Open Source, Self-Hosted, Self-Hosted + Open Source and Free. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Slack.
Alternatives list
Add contextual activity feeds, chat, and secure file sharing directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Windows
- Online
- Self-Hosted
- .NET Framework
Kahla is a free and open-source, cross-platform business messaging tool that supports end-to-end encrypted message communication and automatic destruction of messages.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
- Android Tablet
- Self-Hosted
Secure self-hosted platform unites private and group messaging, voice and video meetings, meeting recording, file transfer, issue tracking, screen sharing, remote control, and flexible permissions for on-premises collaboration in both corporate and personal use cases.
Cost / License
- Free Personal
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
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.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
+5
Private and Secure Instant Messenger for Office designed specifically for keeping remote employees and multiple offices in sync.
"Give your team the freedom to chat, talk, share and interact together from anywhere, on any devices" by using it.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
+9
Pensil is a community building platform that brings together members, engaging discussion & live events for brands and creators.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Google Chrome
- Software as a Service (SaaS)
+2
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Self-Hosted
Campfire is an installable, self-hosted group chat system. Easily invite people. Make rooms. @mentions, DMs, and mobile support. The basics done right. And since you get the code and host it yourself, you can customize it however you’d like for your own use.
Cost / License
- Free
- Open Source (MIT)
Application types
Platforms
- DigitalOcean
- Self-Hosted
- Amazon Web Services
- Docker
Text and video chat for your teams with unlimited users. Invite any customer to a conference. GDPR-compliant as self-hosted on your own server or in the cloud. Cross-platform support for Windows, Linux, macOS, and as a Docker container.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
Milo is a mobile-first, private, cloud-based community engagement platform tailor-made to help businesses run their communities like never before.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Software as a Service (SaaS)
+3
The future of Team collaboration. Secure. Cross platform. Manage Teams, Groups, Private & Public Channels. Invite. Meet. Work. Automate with over 700'000 Apps. Built-in Webinar & Webmeetings. Available as PrivateCloud or On Premise. Decentralized.
Cost / License
- Paid
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Software as a Service (SaaS)
+7
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