The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.
This chart represents OpenSSL web usage trends over a historical time period on a large selection of website homepages queried by BuiltWith. See the FAQ for more information.
We know of 7,897,067 sites using OpenSSL, download website list.
The usage trends within the top million sites are updated once per week with the last update occurring on 05 Feb 2012.
For more information about OpenSSL visit http://openssl.org.
OpenSSL is most likely to be found in use on Business, Shopping or Technology type websites.
OpenSSL Top Ten Website Industry Distribution in the Top 100,000 Sites
The chart shows the typical type of websites OpenSSL can be found on by distribution. We know of 40
categories that OpenSSL websites can be found on.