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Best Business Instant Messaging - Enterprise Software in 2026

  1. 1

    Rocket.Chat

    by Rocket.Chat
    Free plan Open source AndroidAPIiPhone+5

    Rocket.Chat offers core messaging features on a free plan, with named options describing additional deployment and administrative choices.

    8.8 Free plan Visit site
  2. 2

    Zulip

    by Zulip
    Free plan Open source AndroidAPIiPhone+5

    Zulip provides channel-based team chat across common desktop and mobile platforms, with guest access and numerous listed integrations.

    8.5 Free plan · paid from $3.50/user/mo Visit site
  3. 3

    Chanty

    by Chanty
    Free plan AndroidAPIiPhone+5

    Choose Chanty if your team wants chat, task management, calls, and integrations in one tool, with a free plan for up to five members.

    7.6 Free plan · paid from $3/user/mo (annual) Visit site
  4. 4

    Element

    by Element
    Free plan AndroidiPhoneLinux+4

    Element combines broad platform availability, guest access and unlimited message history. Its self-hosted option and integrations may appeal to organizations, while plan prices are not listed.

    7.5 Free plan Visit site
  5. 5

    Flock

    by Flock
    Free plan AndroidExtensioniPhone+4

    Flock offers a free entry point and plan descriptions for different team sizes, alongside a broad integration list and multiple platform options.

    7.5 Free plan · paid from $4.50/user/mo (annual) · 30-day trial Visit site
  6. 6

    Bopup IM Suite

    by Bopup IM Suite
    Free plan AndroidWindows

    Bopup IM Suite combines workplace messaging with several integration options and deployment choices.

    7.4 Free plan · paid from $1.20/user/mo · 45-day trial Visit site
  7. 7

    Google Chat

    Free plan AndroidiPhoneLinux+3

    Choose Google Chat if you want messaging integrated with Google Workspace, broad platform support, and collaboration spaces that can accommodate up to 500,000 members.

    7.4 Free plan · paid from $7/user/mo (annual) · 14-day trial Visit site
  8. 8

    Microsoft Teams

    by Microsoft Teams
    Free plan AndroidiPhoneLinux+3

    Teams covers messaging, calls, and meetings across platforms, with a free plan and business options that list expanded meeting and support features.

    7.3 Free plan Visit site
  9. 9

    Pumble

    Free plan AndroidAPIiPhone+4

    Pumble covers team messaging, file sharing, and meetings, with unlimited message history on the free plan.

    7.3 Free plan · paid from $2.49/user/mo (annual) · 7-day trial Visit site
  10. 10

    Slack

    Free plan AndroidiPhoneLinux+3

    Slack combines channel conversations, app integrations, automation and built-in AI features across a wide range of platforms.

    7.2 Free plan · paid from $7.25/user/mo (annual) Visit site
  11. 11

    Wire

    by Wire
    Free plan AndroidiPhoneLinux+3

    Wire brings messaging, conferencing and file collaboration together, with deployment choices that include offline or air-gapped on-premises environments.

    7.0 Free plan · paid from €7.45/user/mo (annual) Visit site
  12. 12

    Zoho Cliq

    by Zoho Cliq
    Free plan AndroidiPhoneLinux+3

    Zoho Cliq combines business chat with meetings, administration, workflow, and developer features. Compare group-size and searchable-message limits across plans against your team’s needs.

    6.9 Free plan · 14-day trial Visit site
  13. 13

    KeeperChat

    Free plan AndroidiPhoneMac+1

    Choose KeeperChat for personal use if you want the free plan with default end-to-end encryption on a supported platform.

    6.8 Free plan Visit site
  14. 14

    Fleep

    by Fleep
    Free trial AndroidAPIiPhone+4

    Fleep combines team chat with task tracking, email connections, integrations, and API access. The Business plan adds administration and storage, while cancellation retention is limited to 48 hours.

    6.4 From €5/user/mo (annual) · 14-day trial Visit site
  15. 15

    Brosix

    by Brosix
    Paid AndroidiPhoneLinux+3

    Brosix offers channels, guest access, and a broad platform and integration list. Teams should weigh its limited message history and paid pricing against their needs.

    6.0 From $6/user/mo (annual) · 14-day trial Visit site
  16. 16

    Teamwire

    by Teamwire
    Free trial AndroidAPIiPhone+5

    Teamwire pairs business messaging with calling and alerting tools for teams coordinating important work. The Standard plan has a 25-user minimum, and hosting options vary by plan.

    6.0 From €3.45/user/mo (annual) · 15-day trial Visit site
  17. 17

    Threema

    Free trial AndroidAPIiPhone+5

    Threema combines encrypted messaging, open-source clients, and business integration options.

    6.0 From 6 · 30-day trial Visit site
  18. 18

    Yay.com Business Instant Messaging

    Free trial AndroidiPhoneLinux+3

    Yay.com brings business messaging and VoIP calling together across mobile, desktop, and web platforms.

    5.9 14-day trial Visit site
  19. 19

    BBM Enterprise

    Paid AndroidiPhoneMac+1

    BBM Enterprise focuses on encrypted organizational communication with guest participation, file sharing, and activity records.

    5.2 Pricing on request Visit site
  20. 20

    Symphony

    by Symphony
    Paid AndroidAPIiPhone+3

    Symphony combines regulated-market messaging with workflow automation, broad integrations, and compliance-oriented controls.

    5.2 Pricing on request Visit site
  21. 21

    Messagenius

    Paid AndroidiPhoneLinux+3
    4.8 From €10,000/yr Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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