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Best Email Collaboration Software in 2026

Email collaboration software helps people share inbox work, assign messages, prepare replies together, approve email, and automate routine rules. This list is for teams comparing tools for coordinated email work.

  1. 1

    Coherence

    Free plan AndroidAPIMac+2

    Choose Coherence if your team wants shared handling of customer conversations alongside CRM data, workflows, and related operations.

    7.7 Free plan · 7-day trial Visit site
  2. 2

    Help Scout

    by Help Scout
    Free plan API

    Help Scout combines shared customer conversations with knowledge-base and workflow tools. Check the Inbox, user, and contact limits against your team's needs before choosing a plan.

    7.1 Free plan · paid from $25/user/mo · 15-day trial Visit site
  3. 3

    HubSpot CRM

    by HubSpot CRM
    Free plan AndroidiPhone

    Choose HubSpot CRM if you want a no-expiration free CRM with pipeline tools, customer reporting, and team conversation features.

    7.1 Free plan · 14-day trial Visit site
  4. 4

    Serif

    Free plan iPhoneMacWeb+1

    Serif combines routine email handling with a human review path for uncertain or sensitive messages.

    7.1 From $30/mo · 7-day trial Visit site
  5. 5

    Hiver

    Free plan API

    Hiver combines shared inbox features with support tools such as SLA management and ticket automation. Compare the annual plan limits with your team's needs before moving beyond the free plan.

    7.0 Free plan · paid from $25/user/mo (annual) · 7-day trial Visit site
  6. 6

    Spike

    Free plan AndroidiPhoneMac+2

    Spike offers distinct email-app and Teamspace options, with plans that vary in addresses, collaboration, storage, and upload limits.

    7.0 Free plan · paid from $4/user/mo (annual) Visit site
  7. 7

    Maxdesk

    Free plan Web

    Maxdesk covers email ticketing in its free tier, with paid plans adding reporting, storage, retention, branding, and AI features. Its listed mail setup is standalone and supports one shared mailbox.

    6.9 Free plan · paid from $20/mo Visit site
  8. 8

    Yorlet

    Free plan AndroidAPIiPhone+1
    6.9 Free plan · paid from £0.02 · 14-day trial Visit site
  9. 9

    Sharebox

    Free plan ExtensionWeb

    Choose Sharebox if your Google Workspace team wants to coordinate shared email from Gmail with assignments and visible status tracking.

    6.8 Free plan · paid from $79/mo Visit site
  10. 10

    Zoho TeamInbox

    Free plan AndroidiPhoneWeb

    Zoho TeamInbox brings shared messages, internal collaboration and workflow automation into one workspace, with a 14-day Professional trial.

    6.8 Free plan · paid from $0.99/mo · 14-day trial Visit site
  11. 11

    HubSpot Live Chat

    Free plan AndroidiPhoneWeb
    6.7 Free plan Visit site
  12. 12

    Drag

    Free trial AndroidAPIExtension+4

    Drag combines shared Gmail workflows with additional channels and AI features. Check the plan limits and pricing structure to see whether they fit your team.

    6.5 From $12/user/mo (annual) · 7-day trial Visit site
  13. 13

    Front

    by Front
    Free trial AndroidAPIiPhone+3

    Front provides shared-inbox and customer-service functions across three paid annual tiers. Compare seat, channel, workspace, and automation limits with your team’s requirements.

    6.5 From $25/user/mo (annual) · 14-day trial Visit site
  14. 14

    Gmelius

    Free trial AndroidAPIExtension+2

    Choose Gmelius if your team works in Gmail and wants shared inbox collaboration alongside configurable AI agents.

    6.5 From $19/user/mo (annual) · 7-day trial Visit site
  15. 15

    Mailbutler Inbox Collaboration

    Free plan MacWeb
    6.5 Free plan · paid from $9/user/mo · 14-day trial Visit site
  16. 16

    Emailgistics

    Free trial WebWindows

    Emailgistics brings assignment, workflow and SLA tools into Outlook shared mailboxes.

    6.2 14-day trial Visit site
  17. 17

    Helpwise

    Free trial AndroidiPhoneWeb

    Helpwise combines a shared inbox with team collaboration, assignment automation, and a broad integration directory. Review the plan’s user, inbox, and automation limits before choosing a tier.

    6.2 From $12/user/mo (annual) · 7-day trial Visit site
  18. 18

    Pipedrive

    by Pipedrive
    Free trial AndroidAPIExtension+2

    Pipedrive centers sales work on a visual pipeline, with plan features extending into reporting, automation, lead generation, and account security.

    6.2 14-day trial Visit site
  19. 19

    Spark for Teams

    Free plan AndroidiPhoneMac+1
    6.2 Free plan · 7-day trial Visit site
  20. 20

    Litmus

    by Litmus
    Free trial APIExtensionWeb

    Litmus brings campaign building, pre-send checks, previews, and post-send monitoring into one workflow. Its paid plans and plan-dependent integrations are important to weigh before choosing it.

    6.1 7-day trial Visit site
  21. 21

    Google Groups Collaborative Inbox

    Free plan Web
    6.0 Free plan Visit site
  22. 22

    Plexvia Shared Inbox

    Free plan Web
    6.0 Free plan · paid from $199/mo Visit site
  23. 23

    Shared Inbox by Canary

    Free trial iPhoneMacWeb+1

    Choose Shared Inbox by Canary if your team wants shared email, assignment, and AI assistance in one service.

    6.0 From $10/user/mo · 14-day trial Visit site
  24. 24

    Missive

    by Missive
    Paid WebWindowsMac+2

    Pick Missive if your email workflow benefits from a unified inbox, offline access, scheduled sending, and calendar tools across several platforms.

    5.7 From $14/user/mo (annual) · 30-day trial Visit site
  25. 25

    ShareMail

    Free trial AndroidWeb

    ShareMail focuses on coordinated Gmail inbox work with assignments, comments, rules, and analytics.

    5.7 From $6/user/mo · 14-day trial 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

Assess free-plan availability, trial length, entry pricing, inbox channels, assignments, shared drafting, approvals, provider compatibility, and automation rules. Check platform support, and review a tool's licence if reading or changing its code matters.

Questions

Do email collaboration tools have free plans?

Check each tool's plan details; free plans are available on this list, with limits varying by plan.

Are free trials available?

Check each tool's trial terms; free trials are available on this list. Listed trial periods include 7 days and 14 days.

What email workflow features should I compare?

Assess inbox channels, assignment, shared drafting, approvals, supported email providers, and automation rules.

Which platforms do these tools support?

The category covers tools available on the web, Android, iOS, Windows, macOS, and via API.

How should I compare paid prices?

Check the stated starting price, currency, billing period, and whether a free plan or trial is available.

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