Zulip

Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations.

Free
Open Source
Mac OS X
Windows
Linux
Android
iPhone
BSD
Web
Self-Hosted

zulip is a group chat app.

its most distinctive characteristic is that messages are threaded by topic, helping you have longrunning, organized conversations. zulip's threading makes it easy for people not always on chat (like managers, remote team members, contractors, parttime workers, etc) to weigh in on questions and decisions, and for people in different timezones to effectively communicate. it also makes it easy to catch up on the 100s of messages a day that are typical for a busy user; since you can easily skim or ignore the threads that aren't relevant to you.

Links to official Zulip sites

GitHub
Twitter
Official Website

Features

MarkDown support Group chat Group collaboration Team Collaboration Chat Bot Community based Integrated File Sharing GitHub integration Threaded Conversations

The Best 19 Zulip Alternatives

integrated-file-sharing filter is active.

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Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Privacy focused Security focused Share your screen Video calling Voice Call Group chat WebRTC Encrypted chat Photo Sharing End to end encryption Integrated File Sharing Privacy Protected Encrypted calls Video chat (Encrypted)
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Mattermost

mattermost is an open source, self-hosted slack alternative.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Self-Hosted

MarkDown support Group chat Slack integration Team Collaboration Integrated File Sharing Data API On premises software Plugin API
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HipChat

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

Freemium Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Share your screen Team Collaboration Integrated File Sharing
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Rocket.Chat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

Free Open Source Windows Linux Android iPhone Mac Self-Hosted Cloudron

Extensible by Plugins/Extensions Ad free Share your screen Group chat Voice messages Chat Bot Integrated File Sharing Location Mapping
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ChatSecure is a free and open source messaging app that features OTR encryption over XMPP.

Free Open Source iPhone iPad

Encrypted chat Integrated File Sharing OTR
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Threema

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.

Commercial Android iPhone Android Tablet iPad Android Wear Windows Phone

Security focused Multiple languages Group chat Encrypted chat End to end encryption Encrypted email Integrated File Sharing Integrated App lock
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Voxeet

Free HD conference calls up to 8 participants. High definition voice, 3D immersive sound.

Free Windows Android iPhone Android Tablet iPad

Real time collaboration WebRTC Team Collaboration Integrated File Sharing
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Wickr

Wickr is a free end-to-end encrypted text, video, picture and voice messenger with full sender control.

Free Mac OS X Windows Linux Android iPhone Android Tablet iPad

Encrypted chat End to end encryption Anonymity Self destructing messages Integrated File Sharing Secret chats
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Campfire

Campfire is a simple web-based real-time group chat tool for business. It makes real-time communication with 2-60 people as simple as visiting a web page. It’s elegant, easy, and web-based.

Commercial iPhone Web

Voice Call Group chat Team Collaboration Integrated File Sharing
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AVAILO is a business communication app for teams.

Free Android iPhone Android Tablet iPad

Group chat Team Collaboration Team work Integrated File Sharing
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Zoho Chat combines content and communications into a single view to give you a comprehensive picture of your team's work.

Free Android iPhone Web Android Wear

Group chat Integrated File Sharing
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Free Mac OS X Windows Linux Android Web

Team Collaboration Integrated File Sharing
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Freemium Mac OS X Windows Web

Real time collaboration Encrypted chat Integrated File Sharing Group Messaging
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WowApp

WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive earnings without ever spending money....

Freemium Mac OS X Windows Android iPhone Android Tablet

Video calling Voice Call Group chat Integrated File Sharing
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JANDI is a group-oriented enterprise messaging platform with an integrated suite of collaboration tools for workplace.

Freemium Mac OS X Windows Android iPhone Web

Group chat Team Collaboration Integrated File Sharing
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Commercial Windows Android Android Tablet

Encrypted chat Integrated File Sharing
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Extendable cloud-based team communication and business collaboration app that you can easily host on your own Private Cloud Server if you want. Also available on iOS and Android devices.

Commercial Android iPhone Web

Share files Video calling Group chat Integrated File Sharing
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Weavy Collaboration Framework

Embed contextual collaboration tools for unlimited users right into the web apps and sites you have built or already use.

Commercial Android iPhone Web Chrome Self-Hosted

Share files Voice Call Real time collaboration Group chat Group collaboration Team Collaboration Direct Messaging Integrated File Sharing File search Tasks managment Meeting notes On premises software Unlimited users Embeddable Document tracking
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WorkDo

WorkDo is an all-in-one app to make teamwork effortless with features that allow you to collaborate easily with your teammates. It is specifically designed to make...

Free Android iPhone Android Tablet iPad Web

Video calling Voice Call Team Collaboration Team work CRM Integrated File Sharing

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Zulip

Links to official Zulip sites

Features

Categories

Tags

The Best 19 Zulip Alternatives

Wire

Mattermost

HipChat

Rocket.Chat

ChatSecure

Threema

Voxeet

Wickr

Campfire

AVAILO

Zoho Chat

Ryver

Slenke

WowApp

JANDI

Bopup Messenger

Protonet SOUL

Weavy Collaboration Framework

WorkDo

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