Pandora White Box is a free suite of approximately 30 networking tools for network and system administrators as well as security experts.
It has a very simple interface with 5 categories including Utilities, Cryptography, Vulnerability Scanners and Security. From each of these tabs, you can run just about any tool a network administrator might need.
We counted approximately 30 tools including:
Ping
Traceroute
Whois
Encryption/decryption
Heartbleed scanner
Denial of service scanner
Vulnerability scanner
Port scanners
Email authentication
Password generator
Intrusion detection
Manic tool
NET Disassembler
E-Mail Validator
Denial of Service Scanner
And more...
Typically a program like this can cost you hundreds of dollars but Pandora White Box is completely free, small and something any network geek would want in their toolbox.
Simple Port Forwarding works with webpages and not directly with your router making it a safe program to use. Supports 52 Languages and 2600+ routers. Portable version also available.