27 recommended
  1. 90
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    Taskade 3.0

    All-in-one collaboration. Chat, organize, get things done!

    Evan Kimbrell
    Evan KimbrellFounder, Sprintkick · Written
    Chat and collaboration is fast and focused in Taskade. We use workspaces to organize our internal team communications.
    CommentsShare
  2. 88
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    Slack App Directory

    Your go-to for finding apps that work with Slack

    Alin Vlad
    Alin VladCMO, CyberGhost · Written
    Game changing tool
    CommentsShare
    Gavin Jones
    Gavin JonesFounder, Elixel · Written
    Can't recommend this enough. Great way to create searchable conversations within a team. There are also some great community channels.
    CommentsShare
    Arun
    ArunHappiness Engineer, Automattic · Written
    Slack is a boon to companies of any size. Fits in just right and makes communication easier.
    CommentsShare
  3. 25
    Flock

    Real-time team messenger tool

    It does everything you'd want from a communication tool. Is simple to use and has a clean, intuitive interface. The best part, the premium plan is much more affordable than Slack. Besides, there's unlimited integrations on the free plan and comes with a powerful platform that enables building/integrating apps and services.
    CommentsShare
  4. 25
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    Circuit

    Make your teamwork better

    Philipp Bohn
    Philipp BohnVP Circuit and CEO blueKiwi software · Written
    Philipp Bohn made this product
    Internal comms with chat, files and communities, but also external collaboration with voice, video and screenshare. The free version includes unlimited messages and screen share. You don‘t have to use more than 1 tool for collaboration!
    CommentsShare
  5. 10
    Troop Messenger
    Pranavi Talla
    Pranavi TallaBusiness analyst · Edited
    Great tool to help you keep organized and boost your productivity.It's an excellent internal communication tool for organizing and prioritizing tasks projects in any industry.
    CommentsShare
    Neha Malik
    Neha MalikProvide workshops for entrepreneurs · Written
    Great tool for office communication
    CommentsShare
    Neha Malik
    Neha MalikProvide workshops for entrepreneurs · Written
    Great tool for office communication
    CommentsShare
  6. 7
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    Twist 1.0

    More productive messaging for teams

    Ryan Abrams
    Ryan AbramsMarketing/Revenue Ops Professional · Written
    Nice Slack alternative. I've been enjoying it so far but have only recently begun to experiment with it.
    Comments (1)Share
  7. 4
    AnywhereWorks
    Works perfect for team communication and collaboration. Visibility is key of the app. Best tool for teams located remote.
    CommentsShare
  8. 2
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    HipChat 2.0

    Group chat and IM built for teams.

    Tejas Kinger
    Tejas KingerPMM @ Plum | Prev. @ Freshworks Hiver · Written
    A good Slack alternative works well for communication between teams.
    CommentsShare
  9. 2
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    Mattermost 1.0

    Open source Slack alternative

    Matt Warcholinski
    Matt Warcholinski💻📈Building highly scalable JS apps · Written
    Open-source alternative to Slack. Doesn't look so fancy, but gives you almost the same as Slack for free.
    CommentsShare
  10. 2
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    Whereby

    Freedom to work from anywhere.

    Matt Warcholinski
    Matt Warcholinski💻📈Building highly scalable JS apps · Written
    Video conference tool without installing anything. Send a link to a video chat, share desktop. Alternative to: Skype (need to install), Zoom
    CommentsShare
  11. 2
    Team Viewer
    Matt Warcholinski
    Matt Warcholinski💻📈Building highly scalable JS apps · Written
    Easy way for developers/designers/admins to remotely control your desktop
    CommentsShare
  12. 2
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    Asana

    The work management platform for teams

    Matt Warcholinski
    Matt Warcholinski💻📈Building highly scalable JS apps · Written
    Great project management tool to communicate tasks/scope of those and to have everything in one place
    CommentsShare
  13. 2
    Fleep

    Team communication from a team of Ex-Skypers

    Bill Mitchell
    Bill MitchellDirector, GarageSeeds · Written
    We use Fleep, Internal and external communications. External participants are not required to sign up.
    CommentsShare
  14. 2
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    WhatsApp Stickers

    WhatsApp finally supports stickers

    Nitin Gohel
    Nitin GohelMobile app Dev with 10 years of exp · Written
    Easy to communicate & available at everywhere. work on lite internet connection as well
    CommentsShare
  15. 2
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    Discord Stages

    Engage and grow your community with easy to run audio events

    Haxon
    HaxonCreative Director / Designer / Artist · Written
    Well it does everything slack does ( of course for teams that don't want apps and integrations ), plus it keeps your messages forever!
    CommentsShare
  16. 2
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    Ride

    Hassle-free ridesharing app with your coworkers

    Matthias Esterl
    Matthias EsterlWeb/Interactive Developer, ANIMAL · Written
    Stride by Atlassian seems to be an upcoming Slack competitor..
    CommentsShare
  17. 2
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    Basecamp

    Keeps people on the same page

    Nadia Sotnikova
    Nadia SotnikovaUI Design, Illustration, Remote Teams 🚀 · Written
    I'd say Slack, but depending on what you do Basecamp 3 can also be great
    CommentsShare
  18. 1
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    Bitrix24

    Social enterprise platform

    Enterprising Josh made this product
    Bitrix24 is definitely one of the best free internatl communications plantforms. You can think of it as Slack+SharePoint+Yammer+Asana in one - https://www.bitrix24.com/uses/in...
    CommentsShare
  19. 2
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    Grasshopper

    The coding app for beginners by Google

    Alexey Umilin
    Alexey UmilinGetSiteControl fan and co-founder · Written
    The most convenient messenger I have ever seen
    CommentsShare
  20. 1
    DemoApp.Link
    Ben Li
    Ben LiCofounder@LinkTime Mobile. · Written
    Ben Li made this product
    Many people suggested Slack, but I think Slack is best for "collaboration", and its primary content generation source is from its native desktop version, not from mobile. You asked for the best tools for internal "communication", I think it is different from "collaboration ". Princle One was designed ground-up with the focus to address group mobile communication needs by providing powerful functionalities and easy access for any groups and organizers to greatly improve their mobile productivity on a daily basis. Princle One supports very large groups and presents group discussions in threaded structures that are easy to understand, follow, and search through. The powerful group admin functions give organizers efficient tools for managing topics, surveys, events, alerts, invitations, batch invite, interactive notifications, social sharing and much more. Princle One protects user identity throughout the app, so everyone can participate group chats safely without compromise of privacy. Princle One does not disclose or share any member contact information to any third-party vendors.
    CommentsShare