diff --git a/README.md b/README.md
index 14ffac2..91e8f8b 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,7 @@ for transferring data with URLs.
:small_orange_diamond: lynis - battle-tested security tool for systems running Linux, macOS, or Unix-based operating system.
:small_orange_diamond: LinEnum - scripted Local Linux Enumeration & Privilege Escalation Checks.
+ :small_orange_diamond: Rkhunter (Rootkit Hunter) - is scanner tool for Linux systems released under GPL that scans backdoors, rootkits and local exploits on your systems.
##### :black_small_square: System Diagnostics/Debuggers
@@ -132,6 +133,8 @@ for transferring data with URLs.
:small_orange_diamond: strace - diagnostic, debugging and instructional userspace utility for Linux.
:small_orange_diamond: sysdig - system exploration and troubleshooting tool with first class support for containers.
:small_orange_diamond: glances - cross-platform system monitoring tool written in Python.
+ :small_orange_diamond: htop - interactive text-mode process viewer for Unix systems. It aims to be a better 'top'.
+ :small_orange_diamond: gtop - system monitoring dashboard for terminal written in JavaScript.
:small_orange_diamond: lsof - displays in its output information about files that are opened by processes.
:small_orange_diamond: FlameGraph - stack trace visualizer.
:small_orange_diamond: lsofgraph - small utility to convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.
@@ -165,6 +168,7 @@ for transferring data with URLs.
:small_orange_diamond: incron - is an inode-based filesystem notification technology.
+ :small_orange_diamond: ngxtop - Real-time metrics for nginx server.
#### Web Tools