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Home arrow-right ... arrow-right Collaboration and Productivity Software arrow-right Video Conferencing Software arrow-right Slack

We've compiled a list of 169 free and paid alternatives to Slack. The primary competitors include HipChat, Threema. In addition to these, users also draw comparisons between Slack and Gitter, TribeScale, Flock. Also you can look at other similar options here: Collaboration and Productivity Software, Video Conferencing Software.


HipChat is an instant messaging service designed for companies and teams.


A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.

Free Open Source

Gitter is a chat and collaboration tool for developers and users.

TribeScale is a startup that aims to enhance teamwork in companies through the improvement of communication, coordination, and the pace on the basis of targets set.


Flock is the fastest growing team messenger and loved by over 25,000 companies globally.


A communication app for teams who want to create a calmer, more organized, more productive...

eXo Platform
Open Source Freemium

eXo Platform is a Digital Collaboration Platform for enterprises.

Dialog Messenger
Free for personal use

Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for server.

Slack brings all your communication together in one place.

Slack Video and Screenshots

Slack Overview

Slack brings all your communication together in one place. It’s real-time messaging, archiving and search for modern teams.

Slack Features

tick-square Onboarding
tick-square Multiple teams
tick-square Multiple channels
tick-square Group collaboration
tick-square App integration
tick-square Reactions
tick-square Multi Channel
tick-square Channel manager
tick-square Team Collaboration
tick-square Out Of The Box
tick-square Direct file uploading
tick-square Live Push Notifications
tick-square Support for @mentions
tick-square Team work
tick-square Extensible by Plugins/Extensions
tick-square IFTTT integration
tick-square Integrated File Sharing
tick-square Voice Call
tick-square Real time collaboration
tick-square Group chat
tick-square Video calling

Slack Platforms

Software as a Service (SaaS) Electron / Atom Shell BSD Chrome OS Windows S Linux Mac iPhone Windows Web-Based Android

Top Slack Alternatives

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Slack Tags

channels project-management video-chat chat-clients chat-rooms

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