Best Email & Calendar in 2026

6 tools available

Email clients, calendar apps, and scheduling tools

Browse and compare the top email & calendar tools. Popular options include Cal.com, ProtonMail, Gmail, Outlook, Calendly, and more. Each tool page includes curated alternatives with honest comparisons and pricing breakdowns. Use the filters below to narrow by pricing model.

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Cal.com

freemium

Trending

Open-source scheduling infrastructure for everyone. Self-hostable alternative to Calendly with custom workflows, team scheduling, and extensive API.

Email & Calendar

3 alternatives

ProtonMail

freemium

End-to-end encrypted email service based in Switzerland. Features zero-access encryption, self-destructing messages, and privacy-focused alternative to Gmail.

Security & VPNEmail & Calendar

3 alternatives

Gmail

free

Free email service by Google with 15GB storage, smart categorization, spam filtering, and integration with Google Workspace. Used by billions worldwide.

Email & Calendar

3 alternatives

Outlook

freemium

Email and calendar application by Microsoft. Features focused inbox, calendar scheduling, contacts, tasks, and deep integration with Microsoft 365 apps.

ProductivityEmail & Calendar

3 alternatives

Calendly

freemium

Online scheduling platform eliminating back-and-forth emails for finding meeting times. Features booking pages, team scheduling, integrations, and automated reminders.

ProductivityEmail & Calendar

1 alternative

Superhuman

paid

Premium email client designed for speed and productivity. Features AI triage, keyboard shortcuts, scheduled send, undo send, and read receipts.

ProductivityEmail & Calendar

3 alternatives