• 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 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 Android Tablet ... iPad

  • 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

  • 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 Mac Windows Linux Android iPhone 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

  • 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...

    Freemium Web / Cloud iPhone

  • 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

  • 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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  • YakYak icon

    YakYak

    What does it do: * Send/receive chat messages * Create/change conversations (rename, add people) * Leave/delete...

    Open Source Mac Windows Linux

  • 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

  • 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 Python

  • 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

  • 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

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  • 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

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

    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

  • 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

  • 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

  • Sid icon

    Sid

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

    Free Mac Windows Linux Android iPhone Android Tablet ... iPad

  • 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

  • ZeroChat icon

    ZeroChat

    An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted Python ... JavaScript ZeroNet

  • 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

  • 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

  • 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

  • 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

  • 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