Added explainshell and exploitdb

README.md

@@ -302,6 +302,7 @@ performance of any of your sites from across the globe.<br>
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://cve.mitre.org/"><b>CVE Mitre</b></a> - list of publicly known cybersecurity vulnerabilities.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.cvedetails.com/"><b>CVE Details</b></a> - CVE security vulnerability advanced database.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.exploit-db.com/"><b>Exploit DB</b></a> - CVE compliant archive of public exploits and corresponding vulnerable software.<br>
 </p>
 
 #### Manuals/Howtos/Tutorials
@@ -312,6 +313,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/dylanaraps/pure-bash-bible"><b>pure-bash-bible</b></a> - a collection of pure bash alternatives to external processes.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://wiki.bash-hackers.org/start"><b>The Bash Hackers Wiki</b></a> - hold documentation of any kind about GNU Bash.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/contents.html"><b>Shell & Utilities</b></a> - describes the commands and utilities offered to application programs by POSIX-conformant systems.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://explainshell.com/"><b>Explain shell</b></a> - get interactive help texts for shell commands.<br>
 </p>
 
 ##### :black_small_square: Programming