Work · alternatives · 2026

Checkin is a team communication tool designed to simplify workplace messaging. Launched in 2017, it helps teams stay connected and coordinated without the complexity of traditional communication platforms. The software… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Team communication without all the effort launched in 2017; newer entries below may have overtaken it.

1. 1
   Slack▲2,714

   Be less busy. Real-time messaging, archiving & search.

   2013 · slack.com · its alternatives →

2. 2
   Hangouts Chat by Google▲546

   Intelligent team communication

   2018 · accounts.google.com · its alternatives →

3. 3
   Roundup▲435

   Start a discussion forum for your team

   2023 · roundup.co · its alternatives →

4. 4
   Flow▲438

   Beautiful team chat with tightly integrated task management

   2015 · its alternatives →

5. 5LT
   Linen.team – A lightweight, thread-first Slack alternative▲124

   Hi HN! I'm Kam, the founder and one of the authors of Linen. Today, we are launching Linen.team (https://linen.team/), a lightweight threaded messaging app for your team. Modern workplace messaging apps (like Slack) are based on IRC, which is great for small groups, but as it scales, breaks down quickly: you either get overwhelmed by notifications or you have to turn them all off. Most chat apps have threads tacked on but aren't built from the ground up with this design in mind. We wanted to create a thread-first experience where you can organize and prioritize conversations…

   2024 · its alternatives →

6. 6
   Teamble▲517

   Simple, continuous, and actionable feedback on Slack & Teams

   2021 · teamble.com · its alternatives →

7. 7
   Quill▲414

   Messaging to make your team better

   2021 · its alternatives →

8. 8
   Checkin ▲79

   Effortlessly create meaningful, ongoing connection

   2022 · checkin.cc · its alternatives →

9. 9
   Twist 1.0▲413

   More productive messaging for teams

   2017 · apps.apple.com · its alternatives →

10. 10
    Teamhub.com▲237

    Hey HN, We've just launched our team collaboration platform where we're bringing together all the important tools under one app. We've been frustrated in the past with tools which had a huge disconnect between projects and chat. It always inevitably leads to teams using external chat apps for "project management" and then abandoning the main tools altogether. We're creating tools we hope teams will stick with. Super integrated Chat. Convert comments to tasks and have them auto added to project boards. Automations to help massively reduce burden on the team. Workflows, Time-Off and so much…

    2024 · teamhub.com · its alternatives →

11. 11
    Spot 2.0▲287

    The next-gen communication app for teams

    2022 · spotvirtual.com · its alternatives →

12. 12
    Workflows by Approveit▲263

    Manage your team's approval workflows in Slack

    2021 · approveit.today · its alternatives →

13. 13
    Teamflow▲490

    Feel like a team again with your own virtual office

    2021 · teamflowhq.com · its alternatives →

14. 14
    Noor v1.0▲353

    Replace Slack.

    2024 · noor.to · its alternatives →

15. 15
    Enqo▲416

    Combine chat simplicity with task-tracking organization

    2023 · about.enqo.com · its alternatives →

16. 16
    Clear for Slack▲300

    Clear messages get answered quicker

    Jan 2026 · installclear.com · its alternatives →

17. 17
    Hangouts Chat by Google (Early Access)▲450

    Bring your team together

    2017 · blog.google · its alternatives →

18. 18
    Noor▲312

    Drop-in audio & video chat for teams 🚀

    2021 · usenoor.com · its alternatives →

19. 19
    Suttna▲251

    Keep every team member in the loop

    2018 · suttna.com · its alternatives →

20. 20
    Walkie▲250

    Real time voice chat for your team.

    2020 · its alternatives →

21. 21
    Clarity▲336

    The simplest workspace for remote teams

    2021 · its alternatives →

22. 22
    Chatfully▲145

    All-in-one chat tool for teams: texting, web chat, & more

    2021 · trychatfully.com · its alternatives →

23. 23
    Intranetus▲109

    The Simplest & Fastest Task Tracker for Remote Teams

    2022 · artlebedev.ru · its alternatives →

24. 24QM
    Quill – Messaging for teams that focus▲187

    2020 · quill.chat · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →