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
   GMX gmx.net Top 10K German

   GMX - kostenlose E-Mail, Cloud, Nachrichten & Freemail

   Kostenlose E-Mail-Adresse erstellen, Nachrichten lesen und Fotos & Dateien in der GMX Cloud sicher speichern. Jetzt registrieren!

   • Google Search Console
   • Apache HTTP Server
   • Criteo
   • Meta Business Suite

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

   Comment
   Very close cos 0.911
3. 03
   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
4. 04
   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
5. 05
   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
6. 06
   web.de Top 10K

   WEB.DE - kostenlose E-Mail-Adresse, FreeMail & Nachrichten

   Sichere Kommunikation, aktuelle Nachrichten und nützliche Online-Services - alles an einem Ort. Einfach, kostenlos und zuverlässig.

   • Google Search Console
   • Apache HTTP Server
   • Criteo
   • Meta Business Suite

   0 say web.de is a good alternative to Proton 0 say web.de isn’t a real alternative to Proton

   Comment
   Very close cos 0.901
7. 07
   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
8. 08
   MEGA mega.co.nz Top 1K

   MEGA

   MEGA provides free cloud storage with convenient and powerful always-on privacy. Claim your free 50GB now!

   • Google Search Console
   • GlobalSign

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

   Comment
   Close cos 0.893
9. 09
   Libero libero.it Top 10K Italian

   Libero: Mail, Ricerca e News con aggiornamento quotidiano

   Entra su Libero.it: Mail e Email PEC, Login, le Ultime Notizie con aggiornamento quotidiano, Video, Motore di Ricerca e tanto altro

   • Google Search Console
   • Amazon Publisher Services
   • Apache HTTP Server
   • Amazon CloudFront
   • Comscore
   • Google Ad Manager

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

   Comment
   Very close cos 0.895
10. 10
    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
11. 11
    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
12. 12
    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
13. 13
    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
14. 14
    Proofpoint proofpoint.com Top 10K

    Cybersecurity Firm

    • Google Search Console
    • Adobe
    • Apple Business
    • Atlassian
    • DocuSign
    • GlobalSign

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

    Comment
    Close cos 0.884
15. 15
    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
16. 16
    MEGA mega.nz Top 10K

    MEGA

    MEGA provides free cloud storage with convenient and powerful always-on privacy. Claim your free 20GB now

    • Google Search Console
    • HubSpot

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

    Comment
    Close cos 0.881
17. 17
    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
18. 18
    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
19. 19
    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
20. 20
    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

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.