• 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

  • Jitsi icon

    Jitsi

    Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols...

    Open Source Mac Windows Linux Web / Cloud Android BSD

  • Asana icon

    Asana

    Asana puts tasks and conversations together to enable teamwork without email.

    Freemium Web / Cloud Android iPhone

  • 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 iPad

  • Mattermost icon

    Mattermost

    Mattermost an open source alternative to Slack

    Open Source 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

  • Rocket.Chat icon

    Rocket.Chat

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

    Open Source Web / Cloud Android iPhone Self-Hosted

  • 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 Self-Hosted

  • Oinker icon

    Oinker

    Oinker looks like a plain chat program on the surface, but it allows you to save the specified messages (called ‘oinks’ in Oinker) on...

    Free Web / Cloud

  • 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

  • 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

  • Echoplexus icon

    Echoplexus Discontinued

    Echoplexus is an anonymous, web-based, IRC-like chatting platform that makes its best effort to respect your privacy. It allows you to...

    Open Source Web / Cloud

  • Know any more alternatives to HipChat?

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  • 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

  • ScudCloud icon

    ScudCloud

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

    Open Source Linux Linux Mint Kubuntu Ubuntu

  • Matrix.org icon

    Matrix.org

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

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

  • Niltalk icon

    Niltalk

    Niltalk lets you create instant, password protected chat rooms without the need to signup. Simply click the "Create" button...

    Open Source Web / Cloud

  • Fleep icon

    Fleep

    Your own business messenger. Leave email behind and manage all conversations with your team, partners and clients in Fleep.

    Free Mac Windows Web / Cloud Android iPhone

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  • flock.co icon

    flock.co

    Flock is a free chat for Teams and Businesses. Get work done faster with groups and 1-on-1 chat Make decisions quicker by...

    Free Mac Windows Web / Cloud Windows Mobile Android iPhone ... Chrome OS Android Tablet Windows Phone 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

  • 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

  • Sameroom icon

    Sameroom

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

    Commercial Web / Cloud

  • AVAILO icon

    AVAILO

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

    Freemium Mac Windows Android iPhone Android Tablet iPad

  • Sid icon

    Sid

    Sid is a secure teamwork tool to make your team communication safer, simpler and more efficient.

    Free Mac Windows Android iPhone Android Tablet

  • ChatWork icon

    ChatWork

    ChatWork is a group chat app for business. Secure messaging, video chat, task management and file sharing. Real-time communication and...

    Free Windows Android iPhone iPad

  • Slenke icon

    Slenke

    Slenke is an internal social network for your company to securely communicate, share files, manage projects, organize tasks, track...

    Freemium Mac Windows Web / Cloud

  • Plus Messenger icon

    Plus Messenger

    Plus Messenger is an messaging app that uses Telegram 's API. Plus Messenger has all of Telegram's features plus themes....

    Free Android Android Tablet

  • ChatGrape icon

    ChatGrape

    ChatGrape is a business communication solution with deep service integration to make all data from your cloud services available to...

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

  • Tlk2me icon

    Tlk2me

    Tlk2me is simple real-time messaging platform which is designed exclusively for groups. It is a web-based group chat tool that lets...

    Free Web / Cloud

  • Luka icon

    Luka

    Luka is a messenger with bots. Talk to bots and your friends in the same place: make weekend plans, play games, find restaurants and...

    Free iPhone

  • PrivyTalks icon

    PrivyTalks Discontinued

    Safe chatting Send confidential information like passwords, emails and credit card numbers safely over an unencrypted network. No...

    Free Web / Cloud

  • 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

  • Trackmemo icon

    Trackmemo

    A real time news feed of your team that gets you to the big picture without status updates. In couple of easy clicks you can...

    Freemium Web / Cloud

  • Circuit icon

    Circuit

    Imagine effortless collaboration — everywhere Circuit is voice, video, screen sharing, messaging, and file sharing in a single view....

    Commercial Android iPhone Android Tablet iPad Apple Watch

  • JANDI icon

    JANDI

    JANDI is a group-oriented enterprise messaging platform with an integrated suite of collaboration tools for workplace.

    Free Windows Web / Cloud Android iPhone