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Open source Zoho Mail alternatives

Top Email Clients & Providers like Zoho Mail

The most popular alternative to Zoho Mail is Proton Mail, which has a free version. Other great alternatives to Zoho Mail are Tuta.

Most alternatives to Zoho Mail are in the Email Clients & Providers category, compared here by price, platform and features.

Zoho Mail alternatives
AllFreeOpen source
2 apps

All Zoho Mail alternatives

  1. Proton Mail

    4.8(48.7K) · App Store

    Proton Mail is an end-to-end encrypted email service based in Switzerland. Messages between Proton users are encrypted automatically, emails to others can be password-protected, and stored mail uses zero-access encryption so Proton cannot read it. Its apps are open source, paid plans add custom domains and more addresses, and it is part of a suite with Proton Calendar, Drive, VPN and Pass.

    9 Proton Mail alternatives

    Pros

    • End-to-end and zero-access encryption protect stored mail
    • Based in Switzerland, with open source apps
    • Part of a suite with Proton Calendar, Drive, VPN and Pass

    Cons

    • Free plan is tight on storage and addresses
    • Using IMAP clients requires Proton Mail Bridge and a paid plan
    Cost / License
    FreemiumOpen source
    Categories
    Email Clients & Providers
    Platforms
    WebWindowsMacLinuxiPhoneAndroid
    Features
    Custom email domainEmail aliasesEnd-to-end encryptionSend laterTracker blockingTwo-factor authentication
    Visit websiteMore about Proton Mail

  2. Tuta

    4.7(3.7K) · App Store

    Tuta, formerly Tutanota, is an open-source encrypted email and calendar service based in Germany. It encrypts mailbox contents end to end, including subject lines and contacts, and uses post-quantum cryptography for new accounts. Because it relies on its own encryption, it works through Tuta's apps rather than IMAP clients. A free plan exists, and paid plans add custom domains and more aliases.

    7 Tuta alternatives

    Pros

    • Encrypts subjects and contacts, not just message bodies
    • Post-quantum cryptography for new accounts
    • Open source apps and a free plan, with servers in Germany

    Cons

    • No IMAP support, so you must use Tuta’s own apps
    • Free plan is limited in storage and features
    • Fewer integrations and features than mainstream providers
    Cost / License
    FreemiumOpen source
    Categories
    Email Clients & Providers
    Platforms
    WebWindowsMacLinuxiPhoneAndroid
    Features
    Calendar viewCustom email domainEmail aliasesEnd-to-end encryptionGDPR compliant
    Visit websiteMore about Tuta

Zoho Mail vs its alternatives at a glance

Pricing, platforms and the key features of Zoho Mail, compared with its most popular alternatives.

Zoho Mail vs its alternatives at a glance
AppPricingPlatformsAd-freeCalendar viewCustom email domainIntegrationsTwo-factor authentication
Zoho MailFreemiumWeb, iPhone, Android
Proton MailFreemiumOpen sourceWeb, Windows, Mac, Linux, iPhone, Android
TutaFreemiumOpen sourceWeb, Windows, Mac, Linux, iPhone, Android

Zoho Mail alternatives: frequently asked questions

What is the best alternative to Zoho Mail?

The most popular alternative to Zoho Mail is Proton Mail: Encrypted email from Switzerland with a free plan. Other great alternatives are Tuta.

Is there a free alternative to Zoho Mail?

Yes, 2 alternatives are free or have a free plan, including Proton Mail and Tuta.

Is there an open source alternative to Zoho Mail?

Yes, 2 open source alternatives are listed, including Proton Mail and Tuta.

Is Zoho Mail free?

Zoho Mail has a free plan, with paid plans that unlock more features.

Compare Zoho Mail with its alternatives

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