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
   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
3. 03
   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
4. 04
   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
5. 05
   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
6. 06
   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
7. 07
   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
8. 08
   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
9. 09
   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
10. 10
    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
11. 11
    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
12. 12
    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
13. 13
    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
14. 14
    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
15. 15
    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
16. 16
    DonDominio dondominio.com Top 10K English

    DonDominio | Your Domain, Web Hosting, Email and SSL Certificates provider

    All you need to build up your website: Domain names, Web Hosting / Email accounts and SSL certificates. Build up your website now!

    • Google Search Console
    • PHP
    • Apache HTTP Server
    • Bing Webmaster Tools

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

    Comment
    Close cos 0.859
17. 17
    Docusign docusign.com Top 10K English

    Docusign | #1 in Electronic Signature and Intelligent Agreement Management

    Create, commit to, and manage your agreements all in one platform with Docusign IAM. Electronically sign for free.

    • Google Search Console
    • Adobe
    • Akamai Edge DNS
    • Apple Business
    • Atlassian
    • Canva

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

    Comment
    Close cos 0.852
18. 18
    Network Solutions networksolutions.com Top 10K English

    Security check | Network Solutions

    American-based technology company and a subsidiary of Web.com

    • Google Search Console
    • Cloudflare
    • Cloudflare DNS
    • Meta Business Suite
    • Microsoft 365
    • OpenAI

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

    Comment
    Close cos 0.854
19. 19
    EuroDNS eurodns.com Top 10K English

    EuroDNS: Domains, Hosting & Web Essentials All In One Place

    Find a domain, launch your website, and make it happen with us! From hosting, to SSL, to branded email: EuroDNS has everything you need in one place.

    • Google Search Console
    • Apple Business
    • Atlassian
    • GlobalSign
    • Google Fonts
    • Google Tag Manager

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

    Comment
    Close cos 0.856
20. 20
    Skroutz skroutz.gr Top 10K English

    comparison shopping website

    • Google Search Console
    • Apple Business
    • Cloudflare
    • Cloudflare DNS
    • Google Workspace
    • Microsoft 365

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

    Comment
    Close cos 0.853

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.