ArGoSoft Mail Server

Easily install an electronic mail server on any computer

Exchange Server 2013

The perfect solution for corporate email

PuTTY

A terminal emulator to remotely access servers

Active Search Engine

Install you own Web search engine on your server

AbsoluteTelnet

Connect to another computer by Telnet or SSH

Mercury/32

Configure an mail server on your PC

FileZilla Server

Powerful FTP Server that's totally free

Apache HTTP Server

Install a powerful web server on your computer

RaidenFTPD

Incredible FTP server for Windows

UpRight

Upload files to Amazon S3

VNC

Control any computer remotely

ShowMyPC

Instant remote access to computers on the Internet

Cerberus FTP Server

Install an FTP server on your computer

Hermes EMail Server

Efficient free email server

Simple DNS Plus

Create your own DNS server and increase your browsing speed

AppServ

Excellent software application to install a web server

RogueKiller

Protect your computer against any malware

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations

RKill

Put a halt to all the dangerous processes that run in the background

OWASP Mantra

A pack of tools to check a website's security

WOT Internet Explorer

Discover if a website is dangerous with this plug-in

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

Mandiant Redline

Audit your computer in search of malware

Preventon

Protection against Internet dangers and malware

FileASSASSIN

Unblock and eliminate the malicious and unwanted files from your computer.

RogueRemover

Remove false antivirus alarms from your computer

Ghidra

The NSA's reverse engineering tools

Norton Power Eraser

The last chance to remove viruses

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives