• Slack icon

    Slack

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

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Apple Watch Electron / Atom Shell

  • Asana icon

    Asana

    Asana is the easiest way for teams to track their work so they can get results. It’s free to use, simple to get started, and powerful...

    Freemium Web / Cloud Android iPhone

  • Mattermost icon

    Mattermost

    Mattermost is an open source, self-hosted Slack -alternative As an alternative to proprietary...

    Open Source Mac Windows Linux Android iPhone Android Tablet ... iPad Self-Hosted JavaScript Go (Programming Language)

  • Wrike icon

    Wrike

    Project management software your business needs, with the insights you love & the security you require

    Freemium Mac Windows Web / Cloud Android iPhone iPad

  • Glip icon

    Glip

    Glip is instant messaging for teams and businesses to communicate and get work done at the same time. In Glip you work where your...

    Freemium Mac Windows Web / Cloud Android iPhone Android Tablet ... iPad

  • HipChat icon

    HipChat

    HipChat is an instant messaging service designed for companies and teams. It has persistent chat rooms, one-to-one chat, searchable...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted Apple Watch

  • Rocket.Chat icon

    Rocket.Chat

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

    Open Source Mac Windows Linux Android iPhone Self-Hosted

  • Let's Chat icon

    Let's Chat

    Self-hosted chat for small teams. Features and Stuff BYOS (bring your own server) Persistent messages Multiple...

    Open Source Self-Hosted

  • fluxday icon

    fluxday

    Opensource task & productivity management tool for startups, engineered based on the concepts of OKR. In fluxday, you can start...

    Open Source Mac Windows Linux MySQL Community Edition Self-Hosted MariaDB ... Ruby

  • Matrix.org icon

    Matrix.org

    Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, ...

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted WebRTC Python JavaScript Go (Programming Language) Java Perl

  • eXo Platform icon

    eXo Platform

    eXo Platform is a Social Intranet designed for enterprises. It helps people work together in a collaborative workplace.

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... iPad

  • Campfire icon

    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...

    Commercial Web / Cloud iPhone

  • Know any more alternatives to Slenke?

    Suggest an application to this list
  • Gitter icon

    Gitter

    Where developers come to talk. Gitter.im is a GitHub based chat and collaboration tool for developers and users.

    Freemium Mac Windows Linux Web / Cloud Android iPhone

  • Hack Chat icon

    Hack Chat

    hack.chat is a minimal, distraction-free chat application. Channels are created and joined by going to...

    Open Source Web / Cloud Android Self-Hosted

  • Zulip icon

    Zulip

    Powerful open source group chat. Features: Threaded group conversations Talk about multiple topics at once without getting lost...

    Open Source Mac Windows Linux Web / Cloud Android iPhone ... BSD Self-Hosted

  • kune icon

    kune

    kune is a social network where you can communicate, collaborate and share between equals, using different web tools: documents...

    Open Source Web / Cloud

  • Kandan icon

    Kandan

    Open Source private chat server. Your own private Chat server in minutes, plus additional features. No credit card required. A fast...

    Open Source Web / Cloud Self-Hosted Ruby on Rails

  • qiscus icon

    qiscus

    qiscus organizes your work discussions into rooms and topics to help your team become more efficient and productive.

    Free Personal Mac Windows Linux Web / Cloud Android iPhone ... Chrome OS iPad

  • Share this list of alternatives?

  • GQueues icon

    GQueues

    A full-featured task manager for your Google Account™ and Google Apps™ account.

    Freemium Web / Cloud

  • ScudCloud icon

    ScudCloud

    ScudCloud is a non official open-source Ubuntu desktop client for Slack.

    Open Source Linux Linux Mint Kubuntu Ubuntu

  • Sameroom icon

    Sameroom

    Sameroom helps connect chatrooms (even when they’re running on completely different services).

    Commercial Web / Cloud

  • Ryver icon

    Ryver

    Ryver provides all of your team communications in one place: chats, posts, and files. Invite as many team members and guests as you...

    Free Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Chrome

  • Fleep icon

    Fleep

    Fleep is a messenger for your teams and projects. It enables communication within and across organizations - be it your team chats...

    Freemium Mac Windows Web / Cloud Android iPhone

  • Flock icon

    Flock

    Flock is a team communication and collaboration tool that enables employees in teams to ‘Get work done, faster’

    Freemium Mac Windows Web / Cloud Android iPhone Chrome OS ... Android Tablet Windows Phone iPad

  • Cisco Jabber icon

    Cisco Jabber

    Empower, Engage, Innovate Learn how Cisco will deliver capabilities that offer simple user experiences across devices and...

    Free Windows iPhone iPad

  • Hubgets icon

    Hubgets

    Collaboration app for teams of all sizes. Hubgets makes team knowledge instantly available through chat, voice and video. Fast...

    Commercial Mac Windows Web / Cloud

  • Exselo Desktop icon

    Exselo Desktop

    Outlook and desktop search to help you search and find information from your files, emails and documents on your computer. Now also...

    Free Mac Windows

  • Grape icon

    Grape

    Grape is a business communication solution with a deep service integration, that makes all the distributed data from different...

    Commercial Mac Windows Web / Cloud Android iPhone Android Tablet ... iPad

  • Flowdock icon

    Flowdock

    Flowdock is a beautiful group chat. You can upload files, paste blocks of text, use #hashtags to make notes or create lists and...

    Commercial Web / Cloud

  • Wiggio icon

    Wiggio

    Wiggio is a completely free, online toolkit that makes it easy to work in groups. With Wiggio you can: - keep shared calendar (with...

    Free Web / Cloud

  • Zoho Chat icon

    Zoho Chat

    Zoho Chat combines content and communications into a single view to give you a comprehensive picture of your team's work. Zoho...

    Free Web / Cloud Android iPhone Android Wear

  • AVAILO icon

    AVAILO Discontinued

    AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team...

    Free Android iPhone Android Tablet iPad

  • Bitrix24 icon

    Bitrix24

    1,000,000 companies already use Bitrix24 for project collaboration and customer management. Tasks, chats, contacts and VoIP calls -...

    Freemium Mac Windows Linux Web / Cloud Android iPhone ... Android Tablet iPad Self-Hosted

  • SVYFT icon

    SVYFT

    SVYFT is Team Collaboration Built Around Group Chat. It's free to create unlimited public and private chat rooms. Unique to...

    Freemium Web / Cloud

  • Wolveson icon

    Wolveson

    Our goal is to create the platform which connects great minds from around the world to build awesome startups.

    Freemium Android

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