Dev tools · alternatives · 2026

24 alternatives to Microsoft Teams

Slack competitor by Microsoft built into Office 365

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Microsoft Teams launched in 2016; newer entries below may have overtaken it.

1. 1
   Microsoft Teams▲251

   Microsoft's Slack competitor

   2016 · its alternatives →

2. 2
   Slack▲2,714

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

   2013 · slack.com · its alternatives →

3. 3
   Migrate channels from Slack to Teams▲88

   Migrate channels from Slack to Teams

   2022 · its alternatives →

4. 4
   Microsoft teams▲7

   MS Teams, the slack competitor opens up developer program

   2017 · its alternatives →

5. 5
   Slack Shared Channels▲485

   Work with anyone in Slack

   2017 · its alternatives →

6. 6
   Trello for Slack▲637

   Organize anything with anyone, inside Slack

   2016 · trello.com · its alternatives →

7. 7
   Slack 4.0▲472

   A snappier, more efficient Slack desktop experience

   2019 · its alternatives →

8. 8
   Spaces▲133

   Slack's first acquisition: all-in-one documents for teams

   2014 · its alternatives →

9. 9
   Swipes for Teams▲223

   Slack client with built-in task management

   2015 · its alternatives →

10. 10
    Microsoft Teams▲7

    The chat-based workspace in Office 365

    2016 · its alternatives →

11. 11
    Microsoft Teams▲11

    The chat-based workspace in Office 365

    2016 · its alternatives →

12. 12
    /todo▲168

    A to-do list for your team inside Slack

    2016 · its alternatives →

13. 13
    Slackline▲201

    Shared channels between Slack teams

    2014 · its alternatives →

14. 14
    Slack▲93

    Platform for team communication

    2015 · its alternatives →

15. 15
    Teambl▲153

    Create team blog using Slack channels

    2016 · its alternatives →

16. 16LT
    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 →

17. 17
    MovetoSlack▲82

    Migrate from MS Teams to Slack in 5 minutes

    2019 · its alternatives →

18. 18
    Dialogs by Slack▲399

    Build interactive forms in Slack that do all sorts of things

    2017 · its alternatives →

19. 19
    EngageWith▲152

    Appreciate coworkers publicly inside Slack & Microsoft Teams

    2021 · its alternatives →

20. 20
    Slack Enterprise Grid▲292

    Power up every part of your business

    2017 · its alternatives →

21. 21
    Range▲261

    Build successful teams with Range.

    2019 · its alternatives →

22. 22
    Sortd for Slack▲328

    Get Trello-style project boards right in your Slack!

    2017 · its alternatives →

23. 23
    TeamInk▲70

    Create, search and assign documents directly from Slack

    2016 · its alternatives →

24. 24
    Workbot for Slack▲228

    Work your apps from Slack

    2016 · 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 →