Sites like Proton

01 · Entity

About Proton

Proton protonmail.com

Proton Mail: Get a free email account with privacy and encryption | Proton

Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

Wikidata: end-to-end encrypted e-mail service from Proton AG

English 6 technologies Crawled Nov 6, 2026

Visit Proton

Summary by Claude

Encrypted email service based in Switzerland offering free and paid accounts with end-to-end and zero-access encryption, tracker blocking, and import from other providers, available on web, mobile and desktop.

Who it’s for

Privacy-conscious individuals and businesses

Business model

Freemium subscriptions

• secure email service
• encrypted email
• end-to-end encryption
• email tracker blocking
• Gmail import and sync
• business email hosting
• password-protected emails
• spam and phishing protection
• Swiss privacy law

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Proton’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   mail.com Top 10K English

   Free email accounts | Register today at mail.com

   Email how it is supposed to be: ✔ Free, simple and secure ✔ Manage multiple mail accounts in one place, from any device ✔ Sign up today!

   • Google Search Console
   • Google Tag Manager
   • Meta Business Suite
   • nginx

   0 say mail.com is a good alternative to Proton 0 say mail.com isn’t a real alternative to Proton

   Comment
   Very close cos 0.917
2. 02
   Tuta tuta.com English

   Tuta: Turn ON privacy for free with secure emails, calendars & contacts | Tuta

   Tuta guarantees your data stays private for free & without ads. Quantum-resistant encryption makes Tuta the best secure technology solution to protect your privacy.

   • Astro
   • Amazon Route 53

   0 say Tuta is a good alternative to Proton 0 say Tuta isn’t a real alternative to Proton

   Comment
   Very close cos 0.903
3. 03
   Fastmail fastmail.com English

   Email and calendar made better | Fastmail

   Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

   • Cloudflare
   • Fastmail

   0 say Fastmail is a good alternative to Proton 0 say Fastmail isn’t a real alternative to Proton

   Comment
   Very close cos 0.899
4. 04
   Infomaniak SA infomaniak.com Top 10K English

   Control your data governance with an independent cloud. Solutions hosted in the heart of Europe, designed to protect your confidentiality.

   • Google Search Console
   • Apple Business
   • Atlassian
   • Gatsby
   • Mailgun
   • React

   0 say Infomaniak SA is a good alternative to Proton 0 say Infomaniak SA isn’t a real alternative to Proton

   Comment
   Very close cos 0.901
5. 05
   Threema threema.ch Top 10K English

   Threema – Secure Communication For Individuals and Companies

   The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.

   • Google Search Console
   • nginx

   0 say Threema is a good alternative to Proton 0 say Threema isn’t a real alternative to Proton

   Comment
   Close cos 0.892
6. 06
   Bitwarden bitwarden.com Top 10K English

   Best Password Manager for Business, Enterprise & Personal | Bitwarden | Bitwarden

   Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. Securely store, share, and manage passwords, passkeys, and secrets. Free to start.

   • Google Search Console
   • Amazon SES
   • Atlassian
   • Cloudflare DNS
   • Google Tag Manager
   • Google Workspace

   0 say Bitwarden is a good alternative to Proton 0 say Bitwarden isn’t a real alternative to Proton

   Comment
   Close cos 0.892
7. 07
   Temp Mail temp-mail.org Top 10K English

   Website

   • Google Search Console
   • Cloudflare
   • Cloudflare DNS
   • Cloudflare Web Analytics

   0 say Temp Mail is a good alternative to Proton 0 say Temp Mail isn’t a real alternative to Proton

   Comment
   Close cos 0.891
8. 08
   DuckDuckGo duckduckgo.com Top 1K English

   DuckDuckGo - Protection. Privacy. Peace of mind.

   The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.

   • Apple Business
   • Microsoft 365
   • Next.js
   • nginx
   • NS1
   • OpenAI

   0 say DuckDuckGo is a good alternative to Proton 0 say DuckDuckGo isn’t a real alternative to Proton

   Comment
   Close cos 0.892
9. 09
   WeTransfer wetransfer.com Top 10K English

   WeTransfer | Skicka stora filer snabbt

   Det enkla, snabba och säkra sättet att skicka filer till hela världen utan ett konto. Dela filer, foton och videor idag helt gratis.

   • Google Search Console
   • Adobe
   • Amazon Publisher Services
   • Apple Business
   • Atlassian
   • Amazon CloudFront

   0 say WeTransfer is a good alternative to Proton 0 say WeTransfer isn’t a real alternative to Proton

   Comment
   Close cos 0.888
10. 10
    Let's Encrypt letsencrypt.org Top 10K English

    Let's Encrypt

    Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

    • Cloudflare DNS
    • Font Awesome
    • Google Workspace
    • Netlify
    • Zendesk

    0 say Let's Encrypt is a good alternative to Proton 0 say Let's Encrypt isn’t a real alternative to Proton

    Comment
    Close cos 0.883
11. 11
    guard.io Top 10K English

    Guardio | Powerful Online Protection for Your Digital Life

    Protect all your devices online. Keep your personal and business data safe from phishing, malware, and identity theft. Get your free Guardio security scan today.

    • Google Search Console
    • Bing Webmaster Tools
    • Bootstrap
    • Cloudflare
    • Cookiebot
    • Google Analytics

    0 say guard.io is a good alternative to Proton 0 say guard.io isn’t a real alternative to Proton

    Comment
    Close cos 0.881
12. 12
    bluewin.ch Top 10K English

    News & Email at blue News | Switzerland, Sports, People, International

    News from Switzerland and around the world covering sports, politics, entertainment, business & digital — Live streams – Webmail login Bluewin email

    • Google Search Console
    • Adobe Experience Manager
    • Azure Front Door
    • Chartbeat
    • Comscore
    • Meta Business Suite

    0 say bluewin.ch is a good alternative to Proton 0 say bluewin.ch isn’t a real alternative to Proton

    Comment
    Close cos 0.883
13. 13
    Hostpoint hostpoint.ch Top 10K English

    Hostpoint | Domains, web hosting, managed servers and more!

    Hostpoint is the largest web hosting provider in Switzerland, managing more than 1.3 million domain names and maintaining one of the most state-of-the-art, stable infrastructures available.

    • Google Search Console
    • Apache HTTP Server
    • Apple Business
    • Atlassian
    • Google Fonts
    • Google Tag Manager

    0 say Hostpoint is a good alternative to Proton 0 say Hostpoint isn’t a real alternative to Proton

    Comment
    Close cos 0.885
14. 14
    Qwant qwant.com English

    Qwant - The search engine that values you as a user, not as a product

    Fast, reliable answers and still in trust: Qwant does not store your search data, does not sell your personal data and is hosted in Europe.

    • Google Search Console
    • Apple Business
    • Google Workspace
    • Microsoft 365
    • Notion
    • Slack

    0 say Qwant is a good alternative to Proton 0 say Qwant isn’t a real alternative to Proton

    Comment
    Close cos 0.882
15. 15
    WhatsApp whatsapp.com Top 100 English

    WhatsApp | Secure and Reliable Free Private Messaging and Calling

    Use WhatsApp Messenger to stay in touch with friends and family. WhatsApp is free and offers simple, secure, reliable messaging and calling, available on phones all over the world.

    • Google Search Console
    • Adobe
    • Dropbox
    • Meta Business Suite
    • Microsoft 365
    • Proofpoint

    0 say WhatsApp is a good alternative to Proton 0 say WhatsApp isn’t a real alternative to Proton

    Comment
    Close cos 0.881
16. 16
    Sender Score senderscore.com Top 10K English

    Sender Score - Email Marketing Education and Free Tools

    Email doesn't have to be complicated. Assess where you are today, learn how to improve, and leverage free tools and education.

    • Adobe Fonts
    • cdnjs
    • Cloudflare
    • Font Awesome
    • Google Tag Manager
    • jQuery

    0 say Sender Score is a good alternative to Proton 0 say Sender Score isn’t a real alternative to Proton

    Comment
    Close cos 0.878
17. 17
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

    • Google Search Console
    • Bing Webmaster Tools
    • Cloudflare
    • Google Fonts
    • Google Tag Manager
    • jQuery

    0 say Aruba is a good alternative to Proton 0 say Aruba isn’t a real alternative to Proton

    Comment
    Close cos 0.882
18. 18
    ExpressVPN expressvpn.com Top 10K English

    ExpressVPN: Best VPN Service for Speed & Privacy in 2026

    Protect your privacy, stream worldwide, and enjoy fast speeds with ExpressVPN. Servers in 113 countries, 24/7 support, and a 30-day risk-free trial—start now!

    • Google Search Console
    • Atlassian
    • Amazon Web Services
    • Amazon CloudFront
    • Google Fonts
    • Google Tag Manager

    0 say ExpressVPN is a good alternative to Proton 0 say ExpressVPN isn’t a real alternative to Proton

    Comment
    Close cos 0.878
19. 19
    Mimecast mimecast.com Top 10K English

    Human Risk Management & Advanced Email Security | Mimecast

    Protect email and collaboration tools with Mimecast. Manage human risk and stay ahead of cyber threats with advanced security solutions.

    • Google Search Console
    • ASP.NET
    • Atlassian
    • Azure Front Door
    • DocuSign
    • GlobalSign

    0 say Mimecast is a good alternative to Proton 0 say Mimecast isn’t a real alternative to Proton

    Comment
    Close cos 0.877
20. 20
    CroxyProxy croxyproxy.com Top 10K English

    Free web proxy and a cutting-edge online proxy | CroxyProxy

    CroxyProxy is a cutting-edge secure web proxy service. Use it to access your favorite websites and web applications: as a Facebook or YouTube proxy. It is free, you can try this online proxy right now!

    • Proton Mail
    • cdnjs
    • Cloudflare
    • Cloudflare DNS
    • Font Awesome
    • Google AdSense

    0 say CroxyProxy is a good alternative to Proton 0 say CroxyProxy isn’t a real alternative to Proton

    Comment
    Close cos 0.878

Ranked by score: the cosine similarity of each site’s vector to protonmail.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Proton uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Proton is built with, and what its closest competitors use, from its homepage’s code and its DNS records.