Kanmail

Name: Kanmail
Price: 49 USD

Windows · Mac · Linux

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Freedom report

Three barsScore 7.3

Free tierA free tier is on its own pricing page
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Kanmail is ranked #37 of 143 in email clients on Freedom251. It runs on Linux, macOS, Windows. There is a free plan. A free trial is offered.

Kanmail plans and pricing

All plans

Evaluate Full app with every feature · All accounts and workflows · No card and no time limit kanmail.io · 20 Sept 2026

Personal $49/mo One time — yours forever 1 user · Unlimited devices kanmail.io · 20 Sept 2026

Business For companies and organizations · Licenses tied to devices · Direct support from the team kanmail.io · 20 Sept 2026

Free evaluation Free Free for as long as you need; no card or time limit Full app and every feature · all accounts and workflows kanmail.io · 11 Oct 2026

Personal $49 once one time — yours forever One user · unlimited devices · macOS, Windows and Linux · past and future v2 releases kanmail.io · 11 Oct 2026

Business per seat · annual · tiered by team size For companies and organizations · licenses tied to devices · direct support from the team kanmail.io · 11 Oct 2026

Compared on email clients

Free plan: No
App coverage: desktop
Unified inbox: Yes
Offline access: Yes

Best Kanmail alternatives

See all 20

Three bars Mozilla Thunderbird Free tierOpen source No. 1Free9.5 Two bars Zoho Mail Free tier No. 2$0.08/mo8.3 Two bars Spark Mail Free tier No. 3$8.25/mo8.1 Two bars eM Client Free tier No. 4$3.33/mo8.1 Two bars Mailbutler Smart Assistant Free tier No. 5$7/mo8.1 Two bars Mailspring Free tier No. 6Free8.0

The record

Product: Kanmail turns email into a kanban board, with accounts in one view and emails as movable cards.
Boards: Users can build columns from folders in any combination and save workflow views.
Email providers: The site lists Gmail, Outlook, iCloud, Yahoo, Fastmail and Proton Mail as supported accounts.
Search: Search covers every account and folder; Gmail queries use Gmail's search engine, while other accounts use full-text search.
Desktop app: Kanmail describes itself as a native Go app using the system webview, with an app size of about 40 MB.
Sync and offline: The app uses IMAP IDLE for new mail and supports reading cached messages offline.
Privacy: The maker says email content and credentials remain on users' devices and are not transmitted to external services.
Security: The maker says sensitive Google user data is encrypted in transit using TLS and stored locally on the device.
Privacy controls: Tracking pixels and remote images are stripped automatically, and the app displays a counter for blocked items.
Credentials: Passwords and OAuth tokens are stored in macOS Keychain or Windows Credential Manager, according to the product site.
Source code: Kanmail's source code is publicly available, but a license is still required to use it beyond evaluation.
Support: The support page directs users to documentation, GitHub issues, or email support at [email protected].
Business licensing: The maker says personal licenses are for individual ownership and directs companies and organizations to business licenses.
Maker: The product site identifies Oxygem as its maker; Oxygem describes itself as a small team that designs and develops web applications, services and websites.

Where it ranks on Freedom251

Best Email Clients in 2026#37 of 143

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Sources

kanmail.io· checked 11 Oct 2026
kanmail.io/privacy/· checked 11 Oct 2026
kanmail.io/docs/source-available/· checked 11 Oct 2026
kanmail.io/support/· checked 11 Oct 2026
kanmail.io/license/· checked 11 Oct 2026
oxygem.com· checked 11 Oct 2026