Free and open first
Best Email Collaboration Software in 2026
- 35 apps
- Research read 10 Oct 2026
- How the order is worked out
- 1
Coherence
Free plan AndroidAPIMac+2Choose Coherence if your team wants shared handling of customer conversations alongside CRM data, workflows, and related operations.
- 2
Help Scout
by Help ScoutFree plan APIHelp 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.
- 3
HubSpot CRM
by HubSpot CRMFree plan AndroidiPhoneChoose HubSpot CRM if you want a no-expiration free CRM with pipeline tools, customer reporting, and team conversation features.
- 4
Serif
Free plan iPhoneMacWeb+1Serif combines routine email handling with a human review path for uncertain or sensitive messages.
- 5
Hiver
Free plan APIHiver 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.
- 6
Spike
Free plan AndroidiPhoneMac+2Spike offers distinct email-app and Teamspace options, with plans that vary in addresses, collaboration, storage, and upload limits.
- 7
Maxdesk
Free plan WebMaxdesk 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.
- 8
Yorlet
Free plan AndroidAPIiPhone+1 - 9
Sharebox
Free plan ExtensionWebChoose Sharebox if your Google Workspace team wants to coordinate shared email from Gmail with assignments and visible status tracking.
- 10
Zoho TeamInbox
Free plan AndroidiPhoneWebZoho TeamInbox brings shared messages, internal collaboration and workflow automation into one workspace, with a 14-day Professional trial.
- 11
HubSpot Live Chat
Free plan AndroidiPhoneWeb - 12
Drag
Free trial AndroidAPIExtension+4Drag combines shared Gmail workflows with additional channels and AI features. Check the plan limits and pricing structure to see whether they fit your team.
- 13
- 14
Gmelius
Free trial AndroidAPIExtension+2Choose Gmelius if your team works in Gmail and wants shared inbox collaboration alongside configurable AI agents.
- 15
Mailbutler Inbox Collaboration
Free plan MacWeb - 16
Emailgistics
Free trial WebWindowsEmailgistics brings assignment, workflow and SLA tools into Outlook shared mailboxes.
- 17
Helpwise
Free trial AndroidiPhoneWebHelpwise 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.
- 18
- 19
Spark for Teams
Free plan AndroidiPhoneMac+1 - 20
- 21
Google Groups Collaborative Inbox
Free plan Web - 22
Plexvia Shared Inbox
Free plan Web - 23
Shared Inbox by Canary
Free trial iPhoneMacWeb+1Choose Shared Inbox by Canary if your team wants shared email, assignment, and AI assistance in one service.
- 24
- 25
ShareMail
Free trial AndroidWebShareMail focuses on coordinated Gmail inbox work with assignments, comments, rules, and analytics.
#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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