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Best Business Instant Messaging - Midmarket 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.

    7.7 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.

    7.6 Free plan Visit site
  5. 5

    eXpress

    Free plan AndroidExtensioniPhone+5

    eXpress combines messaging, conferencing, and employee access to business systems, with deployment choices for corporate customers.

    7.6 Free plan · 30-day trial Visit site
  6. 6

    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
  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.

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

    Lark

    by Lark
    Free plan AndroidAPIiPhone+4

    Lark combines workplace messaging, collaboration, automation, and developer tools across major desktop and mobile platforms.

    7.4 Free plan Visit site
  9. 9

    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.

    7.4 Free plan Visit site
  10. 10

    Nextcloud Talk

    by Nextcloud Talk
    Free plan AndroidAPIiPhone+5

    Choose Nextcloud Talk if you want communication integrated with Nextcloud collaboration tools, with self-hosting and external service bridges.

    7.4 Open source · 30-day trial Visit site
  11. 11

    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
  12. 12

    Ryver

    by Ryver
    Free plan AndroidExtensioniPhone+4

    Ryver brings multiple conversation types, project tasks, and workflow automation into shared collaboration spaces. The free plan covers up to six users, while larger teams have paid plan options.

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

    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
  14. 14

    Twist

    Free plan AndroidiPhoneLinux+3

    Choose Twist if your team wants channel-based messaging, guest access, and apps across desktop and mobile platforms.

    7.1 Free plan · paid from $6/user/mo (annual) Visit site
  15. 15

    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
  16. 16

    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
  17. 17

    HansaChat

    Free plan AndroidiPhoneLinux+3
    6.5 Free plan · paid from €39/mo (annual) · 14-day trial Visit site
  18. 18

    Prose

    Free plan AndroidiPhoneMac+2
    6.2 Free plan · paid from €5/user/mo Visit site
  19. 19

    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.

    6.1 From $6/user/mo (annual) · 14-day trial Visit site
  20. 20

    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
  21. 21

    Workvivo

    Paid AndroidAPIiPhone+1

    Workvivo brings employee communications, intranet content and engagement tools together, with mobile access and a broad set of listed integrations.

    5.4 Pricing on request Visit site
  22. 22

    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

#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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