SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
FreeBSD Usage Statistics · Download List of All Websites using FreeBSD
FreeBSD is an operating system for modern server, desktop, and embedded computer platforms.
OpenSSL Usage Statistics · Download List of All Websites using OpenSSL
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.
OpenSSL 1.0.1 Usage Statistics · Download List of All Websites using OpenSSL 1.0.1
OpenSSL version 1.0.1
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Apache 2.4 Usage Statistics · Download List of All Websites using Apache 2.4
Apache version 2.4.*
Last technology detected on 20th August 2025. We know of 6 technologies on this page and 12 technologies removed from sysabend.org since 6th November 2011. Link to this page.
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