diff --git a/index.html b/index.html
index d7471bb0..c9a88fdd 100644
--- a/index.html
+++ b/index.html
@@ -78,10 +78,10 @@
 <li><a href="#vpn">Virtual Private Network (VPN)</a></li>
 <li><a href="#email">Privacy Email</a></li>
 <li><a href="#wc">Warrant Canaries</a></li>
-<li><a href="#cloud">Encrypted Cloud Storage</a></li>
+<li><a href="#cloud">Encrypted Cloud Storage Services</a></li>
 <li><a href="#social">Decentralized Social Networks</a></li>
 <li><a href="#dns">Domain Name System (DNS)</a></li>
-<li><a href="#search">Web Search Engines</a></li>
+<li><a href="#search">Privacy Respecting Search Engines</a></li>
 </ul>
 </li>
 
@@ -101,8 +101,8 @@
 <ul class="dropdown-menu" role="menu">
 <li><a href="#clients">Email Clients</a></li>
 <li><a href="#messaging">Email Alternatives</a></li>
-<li><a href="#im">Instant Messenger</a></li>
-<li><a href="#voip">Video & Voice Messenger</a></li>
+<li><a href="#im">Encrypted Instant Messenger</a></li>
+<li><a href="#voip">Encrypted Video & Voice Messenger</a></li>
 <li><a href="#pw">Password Manager</a></li>
 <li><a href="#encrypt">File Encryption</a></li>
 <li><a href="#sync">Secure File Sync</a></li>
@@ -1800,6 +1800,7 @@ diaspora* is based on three key philosophies: Decentralization, freedom and priv
 
 <h3>Worth Mentioning</h3>
 <ul>
+<li><a href="https://subgraph.com/sgos/index.en.html" target="_blank">Subgraph OS</a> - was designed from the ground-up to reduce the risks in endpoint systems so that individuals and organizations around the world can communicate, share, and collaborate without fear of surveillance or interference by sophisticated adversaries through network borne attacks.</li>
 <li><a href="http://www.openbsd.org/" target="_blank">OpenBSD</a> - A project that produces a free, multi-platform 4.4BSD-based UNIX-like operating system. Emphasizes portability, standardization, correctness, proactive security and integrated cryptography.</li>
 <li><a href="https://www.archlinux.org/" target="_blank">Arch Linux</a> - A simple, lightweight Linux distribution. It is composed predominantly of free and open-source software, and supports community involvement. <a href="https://www.parabola.nu/" target="_blank">Parabola</a> is a completely open source version of Arch Linux.</li>
 <li><a href="https://www.whonix.org/" target="_blank">Whonix</a> - A Debian GNU/Linux based security-focused Linux distribution. It aims to provide privacy, security and anonymity on the internet. The operating system consists of two virtual machines, a "Workstation" and a Tor "Gateway". All communication are forced through the Tor network to accomplish this..</li>