Sites like Harica

01 · Entity

About Harica

Harica harica.gr

HARICA - Hellenic Academic and Research Institutions Certification Authority

eSignatures Secure and Legal Digital Signing Made Simple Use your eSignature to sign documents like PDFs and ensure their content is secure and authentic. Learn More Products focused on your needs HARICA offers you trusted digital certificates for secure Websites, eMail protection, Code Signing, and legally binding eSignatures and eSeals. Recognized

Top 10K · #5,296 English 8 technologies Crawled Nov 6, 2026

Visit Harica

Summary by Claude

HARICA is a Greek certificate authority that issues SSL/TLS server certificates, S/MIME email certificates, code signing certificates, and EU-qualified electronic signatures and seals. It is funded by the Greek Universities Network.

Who it’s for

Individuals, businesses, academic and research institutions

Business model

Certificate sales

• certificate authority
• SSL/TLS certificates
• S/MIME email certificates
• code signing certificates
• qualified electronic signatures
• eSeals
• eIDAS trust services
• PDF document signing

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Harica’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
   SSL.com ssl.com Top 10K English

   SSL Certificate & Digital Certificate Authority - SSL.com

   SSL.com provides SSL/TLS & digital certificates to secure and encrypt data with our 4096-bit SSL/TLS Certificates, trusted by all popular browsers.

   • Amazon SES
   • Font Awesome
   • Google Search Console
   • jQuery
   • PHP
   • Amazon Route 53

   0 say SSL.com is a good alternative to Harica 0 say SSL.com isn’t a real alternative to Harica

   Comment
   Very close cos 0.896
2. 02
   certum.pl Top 10K Polish

   Podpis Elektroniczny, Certyfikaty SSL, Certyfikaty S/MIME

   Podpis elektroniczny do: podpisywania umów, PDF, JPK, ZUS. Certyfikaty SSL, szyfrowane poczty email, certyfikaty S/MIME, Rozwiązania z zastosowaniem e-podpisu.

   • PHP
   • WordPress
   • Akamai Edge DNS
   • Apache HTTP Server
   • Google Fonts
   • Google Tag Manager

   0 say certum.pl is a good alternative to Harica 0 say certum.pl isn’t a real alternative to Harica

   Comment
   Very close cos 0.894
3. 03
   GlobalSign globalsign.com Top 1K English

   Digital Certificates - PKI - SSL/TLS 🌎 GlobalSign GMO

   We're experts in automated, Scalable, Integrated Digital Certificates Solutions, SSLs/TLSs, managed PKI, IoT, authentication & email security. Learn more about our identity management services.

   • Font Awesome
   • Google Search Console
   • jQuery
   • Atlassian
   • Bootstrap
   • cdnjs

   0 say GlobalSign is a good alternative to Harica 0 say GlobalSign isn’t a real alternative to Harica

   Comment
   Very close cos 0.896
4. 04
   IdenTrust identrust.com Top 10K English

   IdenTrust – Part of HID Global

   IdenTrust offers the most trusted & secure digital certificates used for digital signing, secure access & email encryption across a variety of industries.

   • jQuery
   • PHP
   • Adobe Fonts
   • Atlassian
   • Bootstrap
   • Cloudflare

   0 say IdenTrust is a good alternative to Harica 0 say IdenTrust isn’t a real alternative to Harica

   Comment
   Close cos 0.885
5. 05
   DigiCert digicert.com Top 100

   commercial SSL certificate provider

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

   0 say DigiCert is a good alternative to Harica 0 say DigiCert isn’t a real alternative to Harica

   Comment
   Close cos 0.885
6. 06
   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.

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

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

   Comment
   Close cos 0.884
7. 07
   GeoTrust geotrust.com Top 10K English

   GeoTrust | SSL Digital Certificate Authority | Encryption & Authentication

   SSL certificates by DigiCert secure unlimited servers with the strongest encryption and highest authentication available.

   • Google Search Console
   • Bootstrap
   • cdnjs
   • Amazon CloudFront
   • Google Fonts
   • Google Tag Manager

   0 say GeoTrust is a good alternative to Harica 0 say GeoTrust isn’t a real alternative to Harica

   Comment
   Close cos 0.878
8. 08
   Sectigo sectigo.com Top 10K English

   Certificate Management Solutions & SSL Certificates | Sectigo® Official

   Sectigo is a leading provider of SSL certificates & automated certificate management solutions. A Certificate Authority trusted by global brands for 20+ years.

   • Google Search Console
   • Adobe
   • Adobe Fonts
   • Apple Business
   • Atlassian
   • Bing Webmaster Tools

   0 say Sectigo is a good alternative to Harica 0 say Sectigo isn’t a real alternative to Harica

   Comment
   Close cos 0.870
9. 09
   pki.goog Top 1K English

   Google Trust Services | Home

   Google Trust Services

   • Google Search Console
   • Google Analytics
   • Google Fonts
   • Google Workspace

   0 say pki.goog is a good alternative to Harica 0 say pki.goog isn’t a real alternative to Harica

   Comment
   Close cos 0.866
10. 10
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

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

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

    Comment
    Close cos 0.868
11. 11
    Thawte thawte.com Top 10K English

    Smart Global SSL Security | Thawte

    At Thawte, Digital Trust is at the center of confidence—confidence in visiting your site, entering information, and making a purchase.

    • Adobe Experience Manager
    • Adobe Experience Platform Tags
    • Fastly
    • Imperva
    • Microsoft 365
    • Salesforce

    0 say Thawte is a good alternative to Harica 0 say Thawte isn’t a real alternative to Harica

    Comment
    Close cos 0.863
12. 12
    HashiCorp hashicorp.com Top 10K English

    Vercel Security Checkpoint

    American software company

    • Google Search Console
    • Amazon Route 53
    • Adobe
    • Apple Business
    • Astro
    • Atlassian

    0 say HashiCorp is a good alternative to Harica 0 say HashiCorp isn’t a real alternative to Harica

    Comment
    Close cos 0.862
13. 13
    SlideShare slideshare.net Top 1K English

    Client Challenge

    American hosting service, owned by Scribd, for professional content including presentations, infographics, documents, and videos

    • Google Search Console
    • Amazon Route 53
    • Fastly
    • Google Workspace

    0 say SlideShare is a good alternative to Harica 0 say SlideShare isn’t a real alternative to Harica

    Comment
    Close cos 0.863
14. 14
    Coursera coursera.org Top 10K English

    Coursera | Online Courses, Certificates, & Degrees

    Learn job-ready skills with online courses, Professional Certificates, Specializations, and degrees from Google, Meta, Anthropic, DeepLearning.AI, Stanford, and more. Start learning today.

    • Amazon SES
    • Google Search Console
    • Amazon Route 53
    • Apple Business
    • Atlassian
    • Canva

    0 say Coursera is a good alternative to Harica 0 say Coursera isn’t a real alternative to Harica

    Comment
    Close cos 0.862
15. 15
    nazwa.pl Top 10K Polish

    nazwa.pl | Domeny za 0 zł, Nowoczesne usługi w chmurze, Hosting dla firm, Poczta biznesowa 10 TB, Email Marketing, SSL, Monitoring WWW

    Domeny za 0 zł, Hosting dla firm, Poczta biznesowa 10 TB, Email Marketing, Certyfikaty SSL ECDSA. Z naszych usług skorzystało już ponad 1 000 000 Klientów. Zaufaj doświadczeniu.

    • Google Search Console
    • Apache HTTP Server
    • Bing Webmaster Tools
    • Google Tag Manager
    • reCAPTCHA

    0 say nazwa.pl is a good alternative to Harica 0 say nazwa.pl isn’t a real alternative to Harica

    Comment
    Close cos 0.860
16. 16
    Turnitin turnitin.com Top 10K

    ERROR: The request could not be satisfied

    Internet-based plagiarism-prevention service

    • Amazon SES
    • Google Search Console
    • Amazon Route 53
    • Apple Business
    • Atlassian
    • Amazon CloudFront

    0 say Turnitin is a good alternative to Harica 0 say Turnitin isn’t a real alternative to Harica

    Comment
    Close cos 0.856
17. 17
    RapidSSL rapidssl.com Top 10K English

    Upgrade your TLS/SSL & Wildcard Certificates to GeoTrust | RapidSSL

    Buy, switch and resell TLS/SSL and Wildcard certificates from GeoTrust via trusted resellers spanning the globe. Upgrade to a GeoTrust TLS/SSL certificate and get greater warranties, tools, support and security, now powered by DigiCert.

    • Adobe Experience Manager
    • Adobe Experience Platform Tags
    • Fastly
    • Google Analytics
    • Imperva
    • Microsoft 365

    0 say RapidSSL is a good alternative to Harica 0 say RapidSSL isn’t a real alternative to Harica

    Comment
    Close cos 0.856
18. 18
    cyber_Folks cyberfolks.pl Top 10K Polish

    cyber_Folks - hosting | domeny | e-marketing | certyfikaty ssl

    Wydajny i szybki serwer, dobra domena znaleziona w 10 sek. Błyskawiczne wsparcie z każdej strony. Wejdź po domeny | hosting | e-marketing.

    • Google Search Console
    • jQuery
    • PHP
    • WordPress
    • Apple Business
    • Atlassian

    0 say cyber_Folks is a good alternative to Harica 0 say cyber_Folks isn’t a real alternative to Harica

    Comment
    Close cos 0.860
19. 19
    Gandi gandi.net Top 100 English

    Gandi.net - Gandi.net: Domain Names, Web Hosting, SSL Certificates and Emails

    ➤ Manage your websites, your emails, your SSL certificates, and VPS servers. ✅ Included with a domain name: 1 SSL certificate, Unlimited aliases & forwarding, and our LiveDNS.

    • Google Search Console
    • Fastly
    • nginx

    0 say Gandi is a good alternative to Harica 0 say Gandi isn’t a real alternative to Harica

    Comment
    Close cos 0.856
20. 20
    Heroku heroku.com Top 10K English

    Heroku | The Cloud Application Platform For Developers

    Experience fully managed app hosting that just works. Build, deploy, and scale on the battle-tested platform that defines the industry.

    • Google Search Console
    • jQuery
    • PHP
    • WordPress
    • cdnjs
    • Google Tag Manager

    0 say Heroku is a good alternative to Harica 0 say Heroku isn’t a real alternative to Harica

    Comment
    Close cos 0.854

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

04 · Fingerprints

Technology

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