OWASP Mantra

A pack of tools to check a website's security

Preventon

Protection against Internet dangers and malware

RogueRemover

Remove false antivirus alarms from your computer

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations

FileASSASSIN

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

Emsisoft Anti-Malware

Keep your computer protected against any threat

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives

SpyHunter

Find viruses and dangerous software

Mandiant Redline

Audit your computer in search of malware

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

WOT Internet Explorer

Discover if a website is dangerous with this plug-in

Norton Power Eraser

The last chance to remove viruses

Ghidra

The NSA's reverse engineering tools

RogueKiller

Protect your computer against any malware

RKill

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

EarMaster

Train your music hearing

AP Tuner

Practical tuner that is specifically for string instruments

Piano Marvel

Entertaining and effective classes to learn to play the piano online

Music Maker

An ideal program for non-professional musicians

Synthesia

Learn how to play the piano while having fun

Sibelius

A musical notation program aimed at professionals

Crescendo Music Notation Editor

Write your music scores on the computer

Guitar Pro

Compose your own guitar scores and tabs

Dany's Virtual Drum

Simple simulator to play the drums

MuseScore

Versatile music notation application that's totally free

Encore

One of the best applications for music notation

Overture

Create your scores and play them with VST instruments

PDFtoMusic

Listen to your favourite sheet music from PDF files

Finale

Advanced tool to compose scores

Mario Paint Composer

Compose music with sounds from Mario Bros