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Troop Messenger alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Troop Messenger: short seven-day trial and no free plan, and small integration ecosystem. We ranked 5 alternatives by how directly each one replaces Troop Messenger, then by reviews, real visits and how recently each app's facts were checked against its own website. Mattermost currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Mattermost logoMattermostOpen sourceYesWeb, Windows, macOS +41 of 361.8
2Rocket.Chat logoRocket.ChatOpen sourceYesWeb, Windows, macOS +41 of 357.8
3Slack logoSlackFree plan + paidNoWeb, Windows, macOS +33 of 357.5
4Wire logoWireFree plan + paidYesWeb, Windows, macOS +35 of 548.9
  1. Mattermost logo

    1. MattermostTop pick

    Best for: Security-conscious organizations that must self-host chat

    Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted

    61.8

    score / 100

    Why switch from Troop Messenger

    Open-source, self-hosted chat widely used in secure environments.

    Pros

    • Open source and self-hosted
    • Slack-like interface
    • Strong compliance options

    Cons

    • Self-hosting requires maintenance
    • Smaller integration catalog than Slack
    Visit Mattermost Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1553
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Mattermost a good Troop Messenger alternative?

    Verified facts

    1 of 3 verified
    Open source
    Yes
    Not checked yetgithub.com(opens source in a new tab)
    Self-hosting
    Yes
    Checked Oct 24, 2026mattermost.com(opens source in a new tab)
    Free edition
    Yes
    Not checked yetmattermost.com(opens source in a new tab)
  2. Rocket.Chat logo

    2. Rocket.Chat

    Best for: Teams that need self-hosted chat plus customer messaging

    Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted

    57.8

    score / 100

    Why switch from Troop Messenger

    Open-source, self-hosted chat with omnichannel features.

    Pros

    • Open source and self-hostable
    • Omnichannel customer inbox
    • Matrix federation

    Cons

    • Setup and upgrades take effort
    • Interface less polished than Slack
    Visit Rocket.Chat Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1553
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Rocket.Chat a good Troop Messenger alternative?

    Verified facts

    1 of 3 verified
    Open source
    Yes
    Not checked yetgithub.com(opens source in a new tab)
    Self-hosting
    Yes
    Checked Oct 24, 2026rocket.chat(opens source in a new tab)
    Free edition
    Yes
    Not checked yetrocket.chat(opens source in a new tab)
  3. Slack logo

    3. Slack

    Best for: Companies that want the largest integration ecosystem for chat

    Free plan + paidWeb, Windows, macOS, Linux, iOS, Android

    57.5

    score / 100

    Why switch from Troop Messenger

    Mainstream hosted chat with a far larger ecosystem.

    Pros

    • Huge integration ecosystem
    • Polished threads and huddles
    • Shared channels with other companies

    Cons

    • Free plan hides older message history
    • Costs rise quickly per seat
    Visit Slack Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Slack a good Troop Messenger alternative?

    Verified facts

    3 of 3 verified
    Free plan
    Yes, with limited history
    Checked Oct 24, 2026slack.com(opens source in a new tab)
    Owner
    Salesforce
    Checked Oct 24, 2026slack.com(opens source in a new tab)
    Platforms
    Web, desktop, mobile
    Checked Oct 24, 2026slack.com(opens source in a new tab)
  4. Wire logo

    4. Wire

    Best for: Small teams and organisations that want an encrypted European messenger they can audit or self-host

    Free plan + paidOpen sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android

    48.9

    score / 100

    Why switch from Troop Messenger

    Encrypted collaboration with cloud and on-premises options.

    Pros

    • End-to-end encryption with the MLS standard
    • Sign up with email, no phone number required
    • Open source, with on-premises deployment

    Cons

    • Few personal contacts use it
    • Product direction centres on businesses
    • Free plan limited to small teams
    Visit Wire Details and reviews
    How this score is calculated
    Editorial fit ×0.341
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Wire a good Troop Messenger alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Free for teams up to 5 people
    Checked Oct 25, 2026wire.com(opens source in a new tab)
    Starting price
    €7.45 per person/month (annual)
    Checked Oct 25, 2026wire.com(opens source in a new tab)
    Devices
    Up to 8
    Checked Oct 25, 2026wire.com(opens source in a new tab)
    License
    GPL-3.0 (web app)
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Encryption
    MLS, end-to-end by default
    Checked Oct 25, 2026wire.com(opens source in a new tab)

The best Troop Messenger alternative for…

The highest-ranked app in this list for each need.

Mattermost logo

Best Troop Messenger alternative for most people

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Rocket.Chat logo

Best Troop Messenger alternative for a free option

Rocket.Chat

Open-source, self-hosted chat with omnichannel features.

Slack logo

Best Troop Messenger alternative for a free plan you can upgrade

Slack

Mainstream hosted chat with a far larger ecosystem.

Wire logo

Best Troop Messenger alternative for open source

Wire

Encrypted collaboration with cloud and on-premises options.

Mattermost logo

Best Troop Messenger alternative for self-hosting

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Brosix logo

Best Troop Messenger alternative for Mac

Brosix

Admin-controlled private business messenger.

Mattermost logo

Best Troop Messenger alternative for Windows

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Mattermost logo

Best Troop Messenger alternative for Linux

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Mattermost logo

Best Troop Messenger alternative for iPhone and Android

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Mattermost logo

Best Troop Messenger alternative for working in the browser

Mattermost

Open-source, self-hosted chat widely used in secure environments.

Troop Messenger alternatives: common questions

What is the best alternative to Troop Messenger?

Mattermost ranks first right now. Open-source, self-hosted chat widely used in secure environments. Brosix and Rocket.Chat follow it in our ranking.

Is there a free alternative to Troop Messenger?

Yes. Mattermost (open source), Rocket.Chat (open source), Slack (free plan + paid) and Wire (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Troop Messenger?

Yes: Mattermost, Rocket.Chat and Wire. Mattermost, Rocket.Chat and Wire can also be self-hosted.

Which Troop Messenger alternatives work on Linux?

Mattermost, Brosix, Rocket.Chat, Slack and Wire run on Linux.

Why do people switch from Troop Messenger?

The complaints we hear most: short seven-day trial and no free plan; small integration ecosystem; less known outside India.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Troop Messenger, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.